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Finding the Fourth Proportional to 606,454.70, 907,932.45 and 543,469.10

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Solution

The fourth proportional to 606,454.70, 907,932.45 and 543,469.10 is: 813,635.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,454.70 : 907,932.45 = 543,469.10 : x
  2. Step 2: Convert to fraction form
    606,454.70/907,932.45 = 543,469.10/x
  3. Step 3: Cross multiply
    606,454.70x = 907,932.45 × 543,469.10
  4. Step 4: Simplify right side
    606,454.70x = 493,433,231,462.30
  5. Step 5: Solve for x
    x = 493,433,231,462.30/606,454.70
  6. Step 6: Final answer
    x = 813,635.76

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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.