Home / 396,850.36-547,542.30-376,904.92

Finding the Fourth Proportional to 396,850.36, 547,542.30 and 376,904.92

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Solution

The fourth proportional to 396,850.36, 547,542.30 and 376,904.92 is: 520,023.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,850.36 : 547,542.30 = 376,904.92 : x
  2. Step 2: Convert to fraction form
    396,850.36/547,542.30 = 376,904.92/x
  3. Step 3: Cross multiply
    396,850.36x = 547,542.30 × 376,904.92
  4. Step 4: Simplify right side
    396,850.36x = 206,371,386,778.12
  5. Step 5: Solve for x
    x = 206,371,386,778.12/396,850.36
  6. Step 6: Final answer
    x = 520,023.18

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1.5x scale

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.