Home / 447,107.45-616,691.00-274,799.18

Finding the Fourth Proportional to 447,107.45, 616,691.00 and 274,799.18

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Solution

The fourth proportional to 447,107.45, 616,691.00 and 274,799.18 is: 379,027.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,107.45 : 616,691.00 = 274,799.18 : x
  2. Step 2: Convert to fraction form
    447,107.45/616,691.00 = 274,799.18/x
  3. Step 3: Cross multiply
    447,107.45x = 616,691.00 × 274,799.18
  4. Step 4: Simplify right side
    447,107.45x = 169,466,183,342.11
  5. Step 5: Solve for x
    x = 169,466,183,342.11/447,107.45
  6. Step 6: Final answer
    x = 379,027.87

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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.