Home / 981,489.48-1,472,234.42-307,570.64

Finding the Fourth Proportional to 981,489.48, 1,472,234.42 and 307,570.64

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Solution

The fourth proportional to 981,489.48, 1,472,234.42 and 307,570.64 is: 461,356.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,489.48 : 1,472,234.42 = 307,570.64 : x
  2. Step 2: Convert to fraction form
    981,489.48/1,472,234.42 = 307,570.64/x
  3. Step 3: Cross multiply
    981,489.48x = 1,472,234.42 × 307,570.64
  4. Step 4: Simplify right side
    981,489.48x = 452,816,082,789.43
  5. Step 5: Solve for x
    x = 452,816,082,789.43/981,489.48
  6. Step 6: Final answer
    x = 461,356.02

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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.