Home / 644,049.20-966,246.60-574,410.80

Finding the Fourth Proportional to 644,049.20, 966,246.60 and 574,410.80

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Solution

The fourth proportional to 644,049.20, 966,246.60 and 574,410.80 is: 861,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,049.20 : 966,246.60 = 574,410.80 : x
  2. Step 2: Convert to fraction form
    644,049.20/966,246.60 = 574,410.80/x
  3. Step 3: Cross multiply
    644,049.20x = 966,246.60 × 574,410.80
  4. Step 4: Simplify right side
    644,049.20x = 555,022,482,503.28
  5. Step 5: Solve for x
    x = 555,022,482,503.28/644,049.20
  6. Step 6: Final answer
    x = 861,770.32

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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.