Finding the Fourth Proportional to 527,737.71, 791,126.79 and 274,720.95
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Solution
The fourth proportional to 527,737.71, 791,126.79 and 274,720.95 is: 411,831.67
Step by Step Solution
- Step 1: Write the proportion equation
527,737.71 : 791,126.79 = 274,720.95 : x - Step 2: Convert to fraction form
527,737.71/791,126.79 = 274,720.95/x - Step 3: Cross multiply
527,737.71x = 791,126.79 × 274,720.95 - Step 4: Simplify right side
527,737.71x = 217,339,103,319.25 - Step 5: Solve for x
x = 217,339,103,319.25/527,737.71 - Step 6: Final answer
x = 411,831.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.