Home / 766,489.80-1,149,734.70-366,924.90

Finding the Fourth Proportional to 766,489.80, 1,149,734.70 and 366,924.90

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Solution

The fourth proportional to 766,489.80, 1,149,734.70 and 366,924.90 is: 550,387.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,489.80 : 1,149,734.70 = 366,924.90 : x
  2. Step 2: Convert to fraction form
    766,489.80/1,149,734.70 = 366,924.90/x
  3. Step 3: Cross multiply
    766,489.80x = 1,149,734.70 × 366,924.90
  4. Step 4: Simplify right side
    766,489.80x = 421,866,289,824.03
  5. Step 5: Solve for x
    x = 421,866,289,824.03/766,489.80
  6. Step 6: Final answer
    x = 550,387.35

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Similar ratio
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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.