Home / 752,891.60-1,129,337.40-528,505.40

Finding the Fourth Proportional to 752,891.60, 1,129,337.40 and 528,505.40

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Solution

The fourth proportional to 752,891.60, 1,129,337.40 and 528,505.40 is: 792,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,891.60 : 1,129,337.40 = 528,505.40 : x
  2. Step 2: Convert to fraction form
    752,891.60/1,129,337.40 = 528,505.40/x
  3. Step 3: Cross multiply
    752,891.60x = 1,129,337.40 × 528,505.40
  4. Step 4: Simplify right side
    752,891.60x = 596,860,914,321.96
  5. Step 5: Solve for x
    x = 596,860,914,321.96/752,891.60
  6. Step 6: Final answer
    x = 792,758.10

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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.