Home / 769,830.56-1,062,344.18-425,660.56

Finding the Fourth Proportional to 769,830.56, 1,062,344.18 and 425,660.56

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Solution

The fourth proportional to 769,830.56, 1,062,344.18 and 425,660.56 is: 587,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,830.56 : 1,062,344.18 = 425,660.56 : x
  2. Step 2: Convert to fraction form
    769,830.56/1,062,344.18 = 425,660.56/x
  3. Step 3: Cross multiply
    769,830.56x = 1,062,344.18 × 425,660.56
  4. Step 4: Simplify right side
    769,830.56x = 452,198,018,571.54
  5. Step 5: Solve for x
    x = 452,198,018,571.54/769,830.56
  6. Step 6: Final answer
    x = 587,399.41

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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.