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Finding the Fourth Proportional to 627,850.64, 940,849.60 and 371,418

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Solution

The fourth proportional to 627,850.64, 940,849.60 and 371,418 is: 556,578.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,850.64 : 940,849.60 = 371,418 : x
  2. Step 2: Convert to fraction form
    627,850.64/940,849.60 = 371,418/x
  3. Step 3: Cross multiply
    627,850.64x = 940,849.60 × 371,418
  4. Step 4: Simplify right side
    627,850.64x = 349,448,476,732.80
  5. Step 5: Solve for x
    x = 349,448,476,732.80/627,850.64
  6. Step 6: Final answer
    x = 556,578.99

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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.