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Finding the Fourth Proportional to 491,259.40, 736,889.10 and 267,310.60

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Solution

The fourth proportional to 491,259.40, 736,889.10 and 267,310.60 is: 400,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,259.40 : 736,889.10 = 267,310.60 : x
  2. Step 2: Convert to fraction form
    491,259.40/736,889.10 = 267,310.60/x
  3. Step 3: Cross multiply
    491,259.40x = 736,889.10 × 267,310.60
  4. Step 4: Simplify right side
    491,259.40x = 196,978,267,454.46
  5. Step 5: Solve for x
    x = 196,978,267,454.46/491,259.40
  6. Step 6: Final answer
    x = 400,965.90

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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.