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Finding the Fourth Proportional to 486,023.10, 729,034.65 and 433,491.90

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Solution

The fourth proportional to 486,023.10, 729,034.65 and 433,491.90 is: 650,237.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,023.10 : 729,034.65 = 433,491.90 : x
  2. Step 2: Convert to fraction form
    486,023.10/729,034.65 = 433,491.90/x
  3. Step 3: Cross multiply
    486,023.10x = 729,034.65 × 433,491.90
  4. Step 4: Simplify right side
    486,023.10x = 316,030,615,594.34
  5. Step 5: Solve for x
    x = 316,030,615,594.34/486,023.10
  6. Step 6: Final answer
    x = 650,237.85

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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.