Home / 981,487.48-1,472,231.42-307,568.64

Finding the Fourth Proportional to 981,487.48, 1,472,231.42 and 307,568.64

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Solution

The fourth proportional to 981,487.48, 1,472,231.42 and 307,568.64 is: 461,353.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,487.48 : 1,472,231.42 = 307,568.64 : x
  2. Step 2: Convert to fraction form
    981,487.48/1,472,231.42 = 307,568.64/x
  3. Step 3: Cross multiply
    981,487.48x = 1,472,231.42 × 307,568.64
  4. Step 4: Simplify right side
    981,487.48x = 452,812,215,614.67
  5. Step 5: Solve for x
    x = 452,812,215,614.67/981,487.48
  6. Step 6: Final answer
    x = 461,353.02

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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.