Finding the Fourth Proportional to 727,860.62, 1,092,129.10 and 278,432.94
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Solution
The fourth proportional to 727,860.62, 1,092,129.10 and 278,432.94 is: 417,778.77
Step by Step Solution
- Step 1: Write the proportion equation
727,860.62 : 1,092,129.10 = 278,432.94 : x - Step 2: Convert to fraction form
727,860.62/1,092,129.10 = 278,432.94/x - Step 3: Cross multiply
727,860.62x = 1,092,129.10 × 278,432.94 - Step 4: Simplify right side
727,860.62x = 304,084,716,172.55 - Step 5: Solve for x
x = 304,084,716,172.55/727,860.62 - Step 6: Final answer
x = 417,778.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.