Home / 981,502.02-1,472,253.21-307,583.10

Finding the Fourth Proportional to 981,502.02, 1,472,253.21 and 307,583.10

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Solution

The fourth proportional to 981,502.02, 1,472,253.21 and 307,583.10 is: 461,374.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,502.02 : 1,472,253.21 = 307,583.10 : x
  2. Step 2: Convert to fraction form
    981,502.02/1,472,253.21 = 307,583.10/x
  3. Step 3: Cross multiply
    981,502.02x = 1,472,253.21 × 307,583.10
  4. Step 4: Simplify right side
    981,502.02x = 452,840,206,316.75
  5. Step 5: Solve for x
    x = 452,840,206,316.75/981,502.02
  6. Step 6: Final answer
    x = 461,374.71

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Double scale
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Similar ratio
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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.