Home / 756,066.80-1,132,350.60-518,121.20

Finding the Fourth Proportional to 756,066.80, 1,132,350.60 and 518,121.20

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Solution

The fourth proportional to 756,066.80, 1,132,350.60 and 518,121.20 is: 775,982.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,066.80 : 1,132,350.60 = 518,121.20 : x
  2. Step 2: Convert to fraction form
    756,066.80/1,132,350.60 = 518,121.20/x
  3. Step 3: Cross multiply
    756,066.80x = 1,132,350.60 × 518,121.20
  4. Step 4: Simplify right side
    756,066.80x = 586,694,851,692.72
  5. Step 5: Solve for x
    x = 586,694,851,692.72/756,066.80
  6. Step 6: Final answer
    x = 775,982.83

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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.