Finding the Fourth Proportional to 527,034.54, 727,306.84 and 285,317.05
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Solution
The fourth proportional to 527,034.54, 727,306.84 and 285,317.05 is: 393,737.08
Step by Step Solution
- Step 1: Write the proportion equation
527,034.54 : 727,306.84 = 285,317.05 : x - Step 2: Convert to fraction form
527,034.54/727,306.84 = 285,317.05/x - Step 3: Cross multiply
527,034.54x = 727,306.84 × 285,317.05 - Step 4: Simplify right side
527,034.54x = 207,513,038,666.76 - Step 5: Solve for x
x = 207,513,038,666.76/527,034.54 - Step 6: Final answer
x = 393,737.08
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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.