Home / 981,725.03-1,472,423.51-271,824.83

Finding the Fourth Proportional to 981,725.03, 1,472,423.51 and 271,824.83

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Solution

The fourth proportional to 981,725.03, 1,472,423.51 and 271,824.83 is: 407,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,725.03 : 1,472,423.51 = 271,824.83 : x
  2. Step 2: Convert to fraction form
    981,725.03/1,472,423.51 = 271,824.83/x
  3. Step 3: Cross multiply
    981,725.03x = 1,472,423.51 × 271,824.83
  4. Step 4: Simplify right side
    981,725.03x = 400,241,263,611.20
  5. Step 5: Solve for x
    x = 400,241,263,611.20/981,725.03
  6. Step 6: Final answer
    x = 407,691.82

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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.