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Finding the Fourth Proportional to 575,464.80, 863,197.20 and 486,891.30

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Solution

The fourth proportional to 575,464.80, 863,197.20 and 486,891.30 is: 730,336.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,464.80 : 863,197.20 = 486,891.30 : x
  2. Step 2: Convert to fraction form
    575,464.80/863,197.20 = 486,891.30/x
  3. Step 3: Cross multiply
    575,464.80x = 863,197.20 × 486,891.30
  4. Step 4: Simplify right side
    575,464.80x = 420,283,206,864.36
  5. Step 5: Solve for x
    x = 420,283,206,864.36/575,464.80
  6. Step 6: Final answer
    x = 730,336.95

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Similar ratio
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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.