Home / 981,000.38-1,471,874.17-341,375.18

Finding the Fourth Proportional to 981,000.38, 1,471,874.17 and 341,375.18

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Solution

The fourth proportional to 981,000.38, 1,471,874.17 and 341,375.18 is: 512,192.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,000.38 : 1,471,874.17 = 341,375.18 : x
  2. Step 2: Convert to fraction form
    981,000.38/1,471,874.17 = 341,375.18/x
  3. Step 3: Cross multiply
    981,000.38x = 1,471,874.17 × 341,375.18
  4. Step 4: Simplify right side
    981,000.38x = 502,461,309,721.10
  5. Step 5: Solve for x
    x = 502,461,309,721.10/981,000.38
  6. Step 6: Final answer
    x = 512,192.78

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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.