Home / 981,397.62-1,472,096.43-271,425.67

Finding the Fourth Proportional to 981,397.62, 1,472,096.43 and 271,425.67

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Solution

The fourth proportional to 981,397.62, 1,472,096.43 and 271,425.67 is: 407,138.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,397.62 : 1,472,096.43 = 271,425.67 : x
  2. Step 2: Convert to fraction form
    981,397.62/1,472,096.43 = 271,425.67/x
  3. Step 3: Cross multiply
    981,397.62x = 1,472,096.43 × 271,425.67
  4. Step 4: Simplify right side
    981,397.62x = 399,564,756,137.12
  5. Step 5: Solve for x
    x = 399,564,756,137.12/981,397.62
  6. Step 6: Final answer
    x = 407,138.50

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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.