 | 1801 - 446 σελίδες
...geometrical proportion ; for •£-= '•£ — 2, but \- = 8. Four numbers are directly proportional, when the ratio of the first to the second is the same as that of the third to die fourth. As 2 : 4 : : 3 : 6. Four numbers are said to be recipri*ally or inversely... | |
 | Charles Hutton - 1811 - 406 σελίδες
...the same ratio. 19. Four quantities are said to be Proportional, when the ratio of the first to die second, is the same as the ratio of the third to the fourth. As of the four, A (2), B (4), c (5), D (10), where f- = " = 2, both the same ratio. Nate. Note. To... | |
 | Charles Hutton - 1812 - 620 σελίδες
...(4), c (8), where .J ;= | = 2, both the same ratio. 79. Four quantities are said to be Proportional, when the ratio of the first to the second, is the same as the ratio cf the third to the fourth. As of the four, A (2), B (4), c (5), D (10), where .* = '.j°— S. both... | |
 | Samuel Webber - 1812 - 260 σελίδες
...discontinued geometrical proportion ; for £=y=2, but *^=8. Four numbers are directly proportional, when the ratio of the first to the second is the same, as that of the third to the fourth. As 2 : 4 : : 3 : 6. Four numbers are said to be reciprocally, or inversely... | |
 | Charles Hutton - 1816 - 610 σελίδες
...(4), c (8), where £ = { = 2, both the same tatio. 79. Four quantities arc said to be Proportional, when the ratio of the first to the second, is the same as the ratio of the third to the fourth. As of the four, A (2), B (4), c (5), D < 10), where $ c= if = 3, both the same ratio. Mate. JVbte.... | |
 | Charles Hutton - 1822 - 616 σελίδες
...B (4), c (8), where f =f =5, both the same ratio. 79. Four quantities are said to be Proportional, when the ratio of the first to the second, is the same as the ratio of the third to the fourth. As of the four, A (2), B (4), c (5), p (10), where 5=»/r=i, both the same ratio. .\<>if. To denote... | |
 | John Imison - 1822 - 488 σελίδες
...consequent by the antecedent. 54. Three magnitudes or quantities, A,B,C, are said to be proportional, when the ratio of the first to the second is the same as that of the second to the third. Thus, 2, 4, 8, are proportional, because 4> is contained in 8 as many... | |
 | Beriah Stevens - 1822 - 436 σελίδες
...division of the wntecedent 1, by the consequent 2, viz. i. Four numbers are siiid to be proportional when the ratio of the first to the second is the same as that of the tliii'd to the fourth ; and the proportional numbers are usually distinguished from one... | |
 | John Penrose (teacher of arithmetic.) - 1824 - 320 σελίδες
...of 9 to 12. Proportion consists of three terms at least. Three numbers are said to be proportional, when the ratio of the first to the second, is the same as- the ratio of the second to the fourth; as 2, 4,8, where -}=£=2, both the same ratio, for 4 is as much greater in... | |
 | Charles Hutton - 1825 - 608 σελίδες
...both the same ratio. 7'j. Four quantities are said to be Proportional, when the ratio of the tirst to the second, is the same as the ratio of the third to the fourth. As of the four, A (2),u(4),c (5),D (10), where tF=-fa-—%, both the same ratio. Aofp, .Vote. To denote... | |
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Four quantities are said to be proportional when thejatio of the first to the second is the same as the ratio of the third to the fourth. 
