Home / 396,721.32-547,481.93-224,634.72

Finding the Fourth Proportional to 396,721.32, 547,481.93 and 224,634.72

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Solution

The fourth proportional to 396,721.32, 547,481.93 and 224,634.72 is: 309,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,721.32 : 547,481.93 = 224,634.72 : x
  2. Step 2: Convert to fraction form
    396,721.32/547,481.93 = 224,634.72/x
  3. Step 3: Cross multiply
    396,721.32x = 547,481.93 × 224,634.72
  4. Step 4: Simplify right side
    396,721.32x = 122,983,450,050.61
  5. Step 5: Solve for x
    x = 122,983,450,050.61/396,721.32
  6. Step 6: Final answer
    x = 309,999.60

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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.