Home / 396,445.38-547,548.72-261,084.35

Finding the Fourth Proportional to 396,445.38, 547,548.72 and 261,084.35

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Solution

The fourth proportional to 396,445.38, 547,548.72 and 261,084.35 is: 360,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,445.38 : 547,548.72 = 261,084.35 : x
  2. Step 2: Convert to fraction form
    396,445.38/547,548.72 = 261,084.35/x
  3. Step 3: Cross multiply
    396,445.38x = 547,548.72 × 261,084.35
  4. Step 4: Simplify right side
    396,445.38x = 142,956,401,654.53
  5. Step 5: Solve for x
    x = 142,956,401,654.53/396,445.38
  6. Step 6: Final answer
    x = 360,595.45

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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.