Home / 396,446.13-547,549.76-261,085.10

Finding the Fourth Proportional to 396,446.13, 547,549.76 and 261,085.10

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Solution

The fourth proportional to 396,446.13, 547,549.76 and 261,085.10 is: 360,596.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,446.13 : 547,549.76 = 261,085.10 : x
  2. Step 2: Convert to fraction form
    396,446.13/547,549.76 = 261,085.10/x
  3. Step 3: Cross multiply
    396,446.13x = 547,549.76 × 261,085.10
  4. Step 4: Simplify right side
    396,446.13x = 142,957,082,539.15
  5. Step 5: Solve for x
    x = 142,957,082,539.15/396,446.13
  6. Step 6: Final answer
    x = 360,596.49

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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.