Home / 981,248.34-1,471,872.51-307,335.23

Finding the Fourth Proportional to 981,248.34, 1,471,872.51 and 307,335.23

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Solution

The fourth proportional to 981,248.34, 1,471,872.51 and 307,335.23 is: 461,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,248.34 : 1,471,872.51 = 307,335.23 : x
  2. Step 2: Convert to fraction form
    981,248.34/1,471,872.51 = 307,335.23/x
  3. Step 3: Cross multiply
    981,248.34x = 1,471,872.51 × 307,335.23
  4. Step 4: Simplify right side
    981,248.34x = 452,358,269,032.17
  5. Step 5: Solve for x
    x = 452,358,269,032.17/981,248.34
  6. Step 6: Final answer
    x = 461,002.84

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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.