Home / 981,794.50-1,472,693.64-271,824.64

Finding the Fourth Proportional to 981,794.50, 1,472,693.64 and 271,824.64

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Solution

The fourth proportional to 981,794.50, 1,472,693.64 and 271,824.64 is: 407,737.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,794.50 : 1,472,693.64 = 271,824.64 : x
  2. Step 2: Convert to fraction form
    981,794.50/1,472,693.64 = 271,824.64/x
  3. Step 3: Cross multiply
    981,794.50x = 1,472,693.64 × 271,824.64
  4. Step 4: Simplify right side
    981,794.50x = 400,314,418,523.29
  5. Step 5: Solve for x
    x = 400,314,418,523.29/981,794.50
  6. Step 6: Final answer
    x = 407,737.48

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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.