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Finding the Fourth Proportional to 627,551.68, 866,006.62 and 351,891.27

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Solution

The fourth proportional to 627,551.68, 866,006.62 and 351,891.27 is: 485,601.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,551.68 : 866,006.62 = 351,891.27 : x
  2. Step 2: Convert to fraction form
    627,551.68/866,006.62 = 351,891.27/x
  3. Step 3: Cross multiply
    627,551.68x = 866,006.62 × 351,891.27
  4. Step 4: Simplify right side
    627,551.68x = 304,740,169,340.21
  5. Step 5: Solve for x
    x = 304,740,169,340.21/627,551.68
  6. Step 6: Final answer
    x = 485,601.71

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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.