Home / 396,754.48-547,519.24-215,464.84

Finding the Fourth Proportional to 396,754.48, 547,519.24 and 215,464.84

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Solution

The fourth proportional to 396,754.48, 547,519.24 and 215,464.84 is: 297,340.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,754.48 : 547,519.24 = 215,464.84 : x
  2. Step 2: Convert to fraction form
    396,754.48/547,519.24 = 215,464.84/x
  3. Step 3: Cross multiply
    396,754.48x = 547,519.24 × 215,464.84
  4. Step 4: Simplify right side
    396,754.48x = 117,971,145,443.52
  5. Step 5: Solve for x
    x = 117,971,145,443.52/396,754.48
  6. Step 6: Final answer
    x = 297,340.42

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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.