Home / 981,381.20-1,472,069.97-307,514.17

Finding the Fourth Proportional to 981,381.20, 1,472,069.97 and 307,514.17

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Solution

The fourth proportional to 981,381.20, 1,472,069.97 and 307,514.17 is: 461,270.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,381.20 : 1,472,069.97 = 307,514.17 : x
  2. Step 2: Convert to fraction form
    981,381.20/1,472,069.97 = 307,514.17/x
  3. Step 3: Cross multiply
    981,381.20x = 1,472,069.97 × 307,514.17
  4. Step 4: Simplify right side
    981,381.20x = 452,682,371,326.30
  5. Step 5: Solve for x
    x = 452,682,371,326.30/981,381.20
  6. Step 6: Final answer
    x = 461,270.68

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Double scale
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1.5x scale

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.