Home / 981,473.30-1,472,210.29-307,606.88

Finding the Fourth Proportional to 981,473.30, 1,472,210.29 and 307,606.88

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Solution

The fourth proportional to 981,473.30, 1,472,210.29 and 307,606.88 is: 461,410.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,473.30 : 1,472,210.29 = 307,606.88 : x
  2. Step 2: Convert to fraction form
    981,473.30/1,472,210.29 = 307,606.88/x
  3. Step 3: Cross multiply
    981,473.30x = 1,472,210.29 × 307,606.88
  4. Step 4: Simplify right side
    981,473.30x = 452,862,016,345.54
  5. Step 5: Solve for x
    x = 452,862,016,345.54/981,473.30
  6. Step 6: Final answer
    x = 461,410.43

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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.