Finding the Fourth Proportional to 933,129.94, 1,287,637.18 and 519,635.47
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Solution
The fourth proportional to 933,129.94, 1,287,637.18 and 519,635.47 is: 717,051.21
Step by Step Solution
- Step 1: Write the proportion equation
933,129.94 : 1,287,637.18 = 519,635.47 : x - Step 2: Convert to fraction form
933,129.94/1,287,637.18 = 519,635.47/x - Step 3: Cross multiply
933,129.94x = 1,287,637.18 × 519,635.47 - Step 4: Simplify right side
933,129.94x = 669,101,951,218.78 - Step 5: Solve for x
x = 669,101,951,218.78/933,129.94 - Step 6: Final answer
x = 717,051.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.