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Finding the Fourth Proportional to 454,891.86, 627,757.29 and 263,962.98

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Solution

The fourth proportional to 454,891.86, 627,757.29 and 263,962.98 is: 364,272.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,891.86 : 627,757.29 = 263,962.98 : x
  2. Step 2: Convert to fraction form
    454,891.86/627,757.29 = 263,962.98/x
  3. Step 3: Cross multiply
    454,891.86x = 627,757.29 × 263,962.98
  4. Step 4: Simplify right side
    454,891.86x = 165,704,684,985.12
  5. Step 5: Solve for x
    x = 165,704,684,985.12/454,891.86
  6. Step 6: Final answer
    x = 364,272.70

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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.