Home / 981,508.36-1,472,261.82-316,660.36

Finding the Fourth Proportional to 981,508.36, 1,472,261.82 and 316,660.36

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Solution

The fourth proportional to 981,508.36, 1,472,261.82 and 316,660.36 is: 474,990.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,508.36 : 1,472,261.82 = 316,660.36 : x
  2. Step 2: Convert to fraction form
    981,508.36/1,472,261.82 = 316,660.36/x
  3. Step 3: Cross multiply
    981,508.36x = 1,472,261.82 × 316,660.36
  4. Step 4: Simplify right side
    981,508.36x = 466,206,957,935.46
  5. Step 5: Solve for x
    x = 466,206,957,935.46/981,508.36
  6. Step 6: Final answer
    x = 474,990.31

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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.