Home / 475,861.28-656,462.21-284,837.76

Finding the Fourth Proportional to 475,861.28, 656,462.21 and 284,837.76

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Solution

The fourth proportional to 475,861.28, 656,462.21 and 284,837.76 is: 392,940.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,861.28 : 656,462.21 = 284,837.76 : x
  2. Step 2: Convert to fraction form
    475,861.28/656,462.21 = 284,837.76/x
  3. Step 3: Cross multiply
    475,861.28x = 656,462.21 × 284,837.76
  4. Step 4: Simplify right side
    475,861.28x = 186,985,223,996.86
  5. Step 5: Solve for x
    x = 186,985,223,996.86/475,861.28
  6. Step 6: Final answer
    x = 392,940.62

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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.