Home / 981,377.43-1,472,064.30-307,510.35

Finding the Fourth Proportional to 981,377.43, 1,472,064.30 and 307,510.35

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Solution

The fourth proportional to 981,377.43, 1,472,064.30 and 307,510.35 is: 461,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,377.43 : 1,472,064.30 = 307,510.35 : x
  2. Step 2: Convert to fraction form
    981,377.43/1,472,064.30 = 307,510.35/x
  3. Step 3: Cross multiply
    981,377.43x = 1,472,064.30 × 307,510.35
  4. Step 4: Simplify right side
    981,377.43x = 452,675,008,115.51
  5. Step 5: Solve for x
    x = 452,675,008,115.51/981,377.43
  6. Step 6: Final answer
    x = 461,264.95

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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.