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Finding the Fourth Proportional to 605,003.52, 906,944.46 and 267,864.54

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Solution

The fourth proportional to 605,003.52, 906,944.46 and 267,864.54 is: 401,548.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,003.52 : 906,944.46 = 267,864.54 : x
  2. Step 2: Convert to fraction form
    605,003.52/906,944.46 = 267,864.54/x
  3. Step 3: Cross multiply
    605,003.52x = 906,944.46 × 267,864.54
  4. Step 4: Simplify right side
    605,003.52x = 242,938,260,583.45
  5. Step 5: Solve for x
    x = 242,938,260,583.45/605,003.52
  6. Step 6: Final answer
    x = 401,548.51

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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.