Home / 981,375.67-1,472,061.68-307,508.59

Finding the Fourth Proportional to 981,375.67, 1,472,061.68 and 307,508.59

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Solution

The fourth proportional to 981,375.67, 1,472,061.68 and 307,508.59 is: 461,262.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,375.67 : 1,472,061.68 = 307,508.59 : x
  2. Step 2: Convert to fraction form
    981,375.67/1,472,061.68 = 307,508.59/x
  3. Step 3: Cross multiply
    981,375.67x = 1,472,061.68 × 307,508.59
  4. Step 4: Simplify right side
    981,375.67x = 452,671,616,058.76
  5. Step 5: Solve for x
    x = 452,671,616,058.76/981,375.67
  6. Step 6: Final answer
    x = 461,262.32

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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.