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Finding the Fourth Proportional to 454,704.49, 627,478.68 and 250,755.40

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Solution

The fourth proportional to 454,704.49, 627,478.68 and 250,755.40 is: 346,035.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,704.49 : 627,478.68 = 250,755.40 : x
  2. Step 2: Convert to fraction form
    454,704.49/627,478.68 = 250,755.40/x
  3. Step 3: Cross multiply
    454,704.49x = 627,478.68 × 250,755.40
  4. Step 4: Simplify right side
    454,704.49x = 157,343,667,394.87
  5. Step 5: Solve for x
    x = 157,343,667,394.87/454,704.49
  6. Step 6: Final answer
    x = 346,035.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.