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Finding the Fourth Proportional to 627,847.70, 866,419.62 and 341,375

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Solution

The fourth proportional to 627,847.70, 866,419.62 and 341,375 is: 471,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,847.70 : 866,419.62 = 341,375 : x
  2. Step 2: Convert to fraction form
    627,847.70/866,419.62 = 341,375/x
  3. Step 3: Cross multiply
    627,847.70x = 866,419.62 × 341,375
  4. Step 4: Simplify right side
    627,847.70x = 295,773,997,777.50
  5. Step 5: Solve for x
    x = 295,773,997,777.50/627,847.70
  6. Step 6: Final answer
    x = 471,091.95

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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.