Finding the Fourth Proportional to 527,177.28, 727,510.68 and 285,465.36
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Solution
The fourth proportional to 527,177.28, 727,510.68 and 285,465.36 is: 393,945.46
Step by Step Solution
- Step 1: Write the proportion equation
527,177.28 : 727,510.68 = 285,465.36 : x - Step 2: Convert to fraction form
527,177.28/727,510.68 = 285,465.36/x - Step 3: Cross multiply
527,177.28x = 727,510.68 × 285,465.36 - Step 4: Simplify right side
527,177.28x = 207,679,098,170.05 - Step 5: Solve for x
x = 207,679,098,170.05/527,177.28 - Step 6: Final answer
x = 393,945.46
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1.5x scale
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.