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Finding the Fourth Proportional to 552,577.30, 828,863.17 and 477,468.91

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Solution

The fourth proportional to 552,577.30, 828,863.17 and 477,468.91 is: 716,200.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,577.30 : 828,863.17 = 477,468.91 : x
  2. Step 2: Convert to fraction form
    552,577.30/828,863.17 = 477,468.91/x
  3. Step 3: Cross multiply
    552,577.30x = 828,863.17 × 477,468.91
  4. Step 4: Simplify right side
    552,577.30x = 395,756,387,787.38
  5. Step 5: Solve for x
    x = 395,756,387,787.38/552,577.30
  6. Step 6: Final answer
    x = 716,200.96

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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.