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Finding the Fourth Proportional to 498,203.10, 747,304.65 and 338,770.80

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Solution

The fourth proportional to 498,203.10, 747,304.65 and 338,770.80 is: 508,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,203.10 : 747,304.65 = 338,770.80 : x
  2. Step 2: Convert to fraction form
    498,203.10/747,304.65 = 338,770.80/x
  3. Step 3: Cross multiply
    498,203.10x = 747,304.65 × 338,770.80
  4. Step 4: Simplify right side
    498,203.10x = 253,164,994,124.22
  5. Step 5: Solve for x
    x = 253,164,994,124.22/498,203.10
  6. Step 6: Final answer
    x = 508,156.20

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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.