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Finding the Fourth Proportional to 627,654.90, 866,166.87 and 341,175

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Solution

The fourth proportional to 627,654.90, 866,166.87 and 341,175 is: 470,823.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,654.90 : 866,166.87 = 341,175 : x
  2. Step 2: Convert to fraction form
    627,654.90/866,166.87 = 341,175/x
  3. Step 3: Cross multiply
    627,654.90x = 866,166.87 × 341,175
  4. Step 4: Simplify right side
    627,654.90x = 295,514,481,872.25
  5. Step 5: Solve for x
    x = 295,514,481,872.25/627,654.90
  6. Step 6: Final answer
    x = 470,823.19

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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.