Home / 512,212.70-766,569.45-449,227.10

Finding the Fourth Proportional to 512,212.70, 766,569.45 and 449,227.10

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Solution

The fourth proportional to 512,212.70, 766,569.45 and 449,227.10 is: 672,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,212.70 : 766,569.45 = 449,227.10 : x
  2. Step 2: Convert to fraction form
    512,212.70/766,569.45 = 449,227.10/x
  3. Step 3: Cross multiply
    512,212.70x = 766,569.45 × 449,227.10
  4. Step 4: Simplify right side
    512,212.70x = 344,363,770,972.10
  5. Step 5: Solve for x
    x = 344,363,770,972.10/512,212.70
  6. Step 6: Final answer
    x = 672,306.19

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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.