Home / 981,350.60-1,472,123.10-341,555.90

Finding the Fourth Proportional to 981,350.60, 1,472,123.10 and 341,555.90

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Solution

The fourth proportional to 981,350.60, 1,472,123.10 and 341,555.90 is: 512,367.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,350.60 : 1,472,123.10 = 341,555.90 : x
  2. Step 2: Convert to fraction form
    981,350.60/1,472,123.10 = 341,555.90/x
  3. Step 3: Cross multiply
    981,350.60x = 1,472,123.10 × 341,555.90
  4. Step 4: Simplify right side
    981,350.60x = 502,812,330,331.29
  5. Step 5: Solve for x
    x = 502,812,330,331.29/981,350.60
  6. Step 6: Final answer
    x = 512,367.68

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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.