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Finding the Fourth Proportional to 475,902.48, 656,519.04 and 284,879.20

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Solution

The fourth proportional to 475,902.48, 656,519.04 and 284,879.20 is: 392,997.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,902.48 : 656,519.04 = 284,879.20 : x
  2. Step 2: Convert to fraction form
    475,902.48/656,519.04 = 284,879.20/x
  3. Step 3: Cross multiply
    475,902.48x = 656,519.04 × 284,879.20
  4. Step 4: Simplify right side
    475,902.48x = 187,028,618,899.97
  5. Step 5: Solve for x
    x = 187,028,618,899.97/475,902.48
  6. Step 6: Final answer
    x = 392,997.78

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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.