Home / 981,375.46-1,472,061.37-307,508.38

Finding the Fourth Proportional to 981,375.46, 1,472,061.37 and 307,508.38

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Solution

The fourth proportional to 981,375.46, 1,472,061.37 and 307,508.38 is: 461,262.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,375.46 : 1,472,061.37 = 307,508.38 : x
  2. Step 2: Convert to fraction form
    981,375.46/1,472,061.37 = 307,508.38/x
  3. Step 3: Cross multiply
    981,375.46x = 1,472,061.37 × 307,508.38
  4. Step 4: Simplify right side
    981,375.46x = 452,671,206,984.66
  5. Step 5: Solve for x
    x = 452,671,206,984.66/981,375.46
  6. Step 6: Final answer
    x = 461,262.00

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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.