Home / 981,265.17-1,471,896.59-307,398.96

Finding the Fourth Proportional to 981,265.17, 1,471,896.59 and 307,398.96

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Solution

The fourth proportional to 981,265.17, 1,471,896.59 and 307,398.96 is: 461,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,265.17 : 1,471,896.59 = 307,398.96 : x
  2. Step 2: Convert to fraction form
    981,265.17/1,471,896.59 = 307,398.96/x
  3. Step 3: Cross multiply
    981,265.17x = 1,471,896.59 × 307,398.96
  4. Step 4: Simplify right side
    981,265.17x = 452,459,479,456.55
  5. Step 5: Solve for x
    x = 452,459,479,456.55/981,265.17
  6. Step 6: Final answer
    x = 461,098.07

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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.