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Finding the Fourth Proportional to 627,404.08, 941,028.36 and 371,389

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Solution

The fourth proportional to 627,404.08, 941,028.36 and 371,389 is: 557,037.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,404.08 : 941,028.36 = 371,389 : x
  2. Step 2: Convert to fraction form
    627,404.08/941,028.36 = 371,389/x
  3. Step 3: Cross multiply
    627,404.08x = 941,028.36 × 371,389
  4. Step 4: Simplify right side
    627,404.08x = 349,487,581,592.04
  5. Step 5: Solve for x
    x = 349,487,581,592.04/627,404.08
  6. Step 6: Final answer
    x = 557,037.47

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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.