Home / 981,592.38-1,472,421.30-271,560.96

Finding the Fourth Proportional to 981,592.38, 1,472,421.30 and 271,560.96

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Solution

The fourth proportional to 981,592.38, 1,472,421.30 and 271,560.96 is: 407,350.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,592.38 : 1,472,421.30 = 271,560.96 : x
  2. Step 2: Convert to fraction form
    981,592.38/1,472,421.30 = 271,560.96/x
  3. Step 3: Cross multiply
    981,592.38x = 1,472,421.30 × 271,560.96
  4. Step 4: Simplify right side
    981,592.38x = 399,852,141,752.45
  5. Step 5: Solve for x
    x = 399,852,141,752.45/981,592.38
  6. Step 6: Final answer
    x = 407,350.49

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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.