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Finding the Fourth Proportional to 495,228.60, 743,267.04 and 491,500.98

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Solution

The fourth proportional to 495,228.60, 743,267.04 and 491,500.98 is: 737,672.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,228.60 : 743,267.04 = 491,500.98 : x
  2. Step 2: Convert to fraction form
    495,228.60/743,267.04 = 491,500.98/x
  3. Step 3: Cross multiply
    495,228.60x = 743,267.04 × 491,500.98
  4. Step 4: Simplify right side
    495,228.60x = 365,316,478,561.70
  5. Step 5: Solve for x
    x = 365,316,478,561.70/495,228.60
  6. Step 6: Final answer
    x = 737,672.42

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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.