Home / 396,831.92-547,622.20-215,546.20

Finding the Fourth Proportional to 396,831.92, 547,622.20 and 215,546.20

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Solution

The fourth proportional to 396,831.92, 547,622.20 and 215,546.20 is: 297,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,831.92 : 547,622.20 = 215,546.20 : x
  2. Step 2: Convert to fraction form
    396,831.92/547,622.20 = 215,546.20/x
  3. Step 3: Cross multiply
    396,831.92x = 547,622.20 × 215,546.20
  4. Step 4: Simplify right side
    396,831.92x = 118,037,884,245.64
  5. Step 5: Solve for x
    x = 118,037,884,245.64/396,831.92
  6. Step 6: Final answer
    x = 297,450.58

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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.