Home / 981,486.48-1,472,229.92-307,567.64

Finding the Fourth Proportional to 981,486.48, 1,472,229.92 and 307,567.64

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Solution

The fourth proportional to 981,486.48, 1,472,229.92 and 307,567.64 is: 461,351.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,486.48 : 1,472,229.92 = 307,567.64 : x
  2. Step 2: Convert to fraction form
    981,486.48/1,472,229.92 = 307,567.64/x
  3. Step 3: Cross multiply
    981,486.48x = 1,472,229.92 × 307,567.64
  4. Step 4: Simplify right side
    981,486.48x = 452,810,282,031.79
  5. Step 5: Solve for x
    x = 452,810,282,031.79/981,486.48
  6. Step 6: Final answer
    x = 461,351.52

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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.