Home / 955,456.38-1,318,379.25-547,479.78

Finding the Fourth Proportional to 955,456.38, 1,318,379.25 and 547,479.78

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Solution

The fourth proportional to 955,456.38, 1,318,379.25 and 547,479.78 is: 755,435.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,456.38 : 1,318,379.25 = 547,479.78 : x
  2. Step 2: Convert to fraction form
    955,456.38/1,318,379.25 = 547,479.78/x
  3. Step 3: Cross multiply
    955,456.38x = 1,318,379.25 × 547,479.78
  4. Step 4: Simplify right side
    955,456.38x = 721,785,981,746.57
  5. Step 5: Solve for x
    x = 721,785,981,746.57/955,456.38
  6. Step 6: Final answer
    x = 755,435.83

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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.