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Finding the Fourth Proportional to 488,534.20, 731,489.10 and 488,534.20

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Solution

The fourth proportional to 488,534.20, 731,489.10 and 488,534.20 is: 731,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,534.20 : 731,489.10 = 488,534.20 : x
  2. Step 2: Convert to fraction form
    488,534.20/731,489.10 = 488,534.20/x
  3. Step 3: Cross multiply
    488,534.20x = 731,489.10 × 488,534.20
  4. Step 4: Simplify right side
    488,534.20x = 357,357,442,277.22
  5. Step 5: Solve for x
    x = 357,357,442,277.22/488,534.20
  6. Step 6: Final answer
    x = 731,489.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.