Home / 769,824.55-1,062,335.91-425,654.56

Finding the Fourth Proportional to 769,824.55, 1,062,335.91 and 425,654.56

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Solution

The fourth proportional to 769,824.55, 1,062,335.91 and 425,654.56 is: 587,391.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,824.55 : 1,062,335.91 = 425,654.56 : x
  2. Step 2: Convert to fraction form
    769,824.55/1,062,335.91 = 425,654.56/x
  3. Step 3: Cross multiply
    769,824.55x = 1,062,335.91 × 425,654.56
  4. Step 4: Simplify right side
    769,824.55x = 452,188,124,343.25
  5. Step 5: Solve for x
    x = 452,188,124,343.25/769,824.55
  6. Step 6: Final answer
    x = 587,391.15

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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.