Home / 769,906.70-1,062,478.11-425,765.91

Finding the Fourth Proportional to 769,906.70, 1,062,478.11 and 425,765.91

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Solution

The fourth proportional to 769,906.70, 1,062,478.11 and 425,765.91 is: 587,560.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,906.70 : 1,062,478.11 = 425,765.91 : x
  2. Step 2: Convert to fraction form
    769,906.70/1,062,478.11 = 425,765.91/x
  3. Step 3: Cross multiply
    769,906.70x = 1,062,478.11 × 425,765.91
  4. Step 4: Simplify right side
    769,906.70x = 452,366,959,359.23
  5. Step 5: Solve for x
    x = 452,366,959,359.23/769,906.70
  6. Step 6: Final answer
    x = 587,560.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.