Home / 396,697.84-547,423.32-224,589.04

Finding the Fourth Proportional to 396,697.84, 547,423.32 and 224,589.04

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Solution

The fourth proportional to 396,697.84, 547,423.32 and 224,589.04 is: 309,921.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,697.84 : 547,423.32 = 224,589.04 : x
  2. Step 2: Convert to fraction form
    396,697.84/547,423.32 = 224,589.04/x
  3. Step 3: Cross multiply
    396,697.84x = 547,423.32 × 224,589.04
  4. Step 4: Simplify right side
    396,697.84x = 122,945,277,912.41
  5. Step 5: Solve for x
    x = 122,945,277,912.41/396,697.84
  6. Step 6: Final answer
    x = 309,921.72

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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.