Home / 769,835.26-1,062,366.26-425,686.20

Finding the Fourth Proportional to 769,835.26, 1,062,366.26 and 425,686.20

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Solution

The fourth proportional to 769,835.26, 1,062,366.26 and 425,686.20 is: 587,443.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,835.26 : 1,062,366.26 = 425,686.20 : x
  2. Step 2: Convert to fraction form
    769,835.26/1,062,366.26 = 425,686.20/x
  3. Step 3: Cross multiply
    769,835.26x = 1,062,366.26 × 425,686.20
  4. Step 4: Simplify right side
    769,835.26x = 452,234,656,227.61
  5. Step 5: Solve for x
    x = 452,234,656,227.61/769,835.26
  6. Step 6: Final answer
    x = 587,443.42

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Double scale
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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.