Home / 396,821.52-547,792.74-253,774.44

Finding the Fourth Proportional to 396,821.52, 547,792.74 and 253,774.44

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Solution

The fourth proportional to 396,821.52, 547,792.74 and 253,774.44 is: 350,323.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,821.52 : 547,792.74 = 253,774.44 : x
  2. Step 2: Convert to fraction form
    396,821.52/547,792.74 = 253,774.44/x
  3. Step 3: Cross multiply
    396,821.52x = 547,792.74 × 253,774.44
  4. Step 4: Simplify right side
    396,821.52x = 139,015,795,829.57
  5. Step 5: Solve for x
    x = 139,015,795,829.57/396,821.52
  6. Step 6: Final answer
    x = 350,323.23

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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.