Home / 396,795.17-547,204.34-306,007.34

Finding the Fourth Proportional to 396,795.17, 547,204.34 and 306,007.34

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Solution

The fourth proportional to 396,795.17, 547,204.34 and 306,007.34 is: 422,002.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,795.17 : 547,204.34 = 306,007.34 : x
  2. Step 2: Convert to fraction form
    396,795.17/547,204.34 = 306,007.34/x
  3. Step 3: Cross multiply
    396,795.17x = 547,204.34 × 306,007.34
  4. Step 4: Simplify right side
    396,795.17x = 167,448,542,548.85
  5. Step 5: Solve for x
    x = 167,448,542,548.85/396,795.17
  6. Step 6: Final answer
    x = 422,002.47

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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.