Home / 396,824.01-547,621.16-215,539.48

Finding the Fourth Proportional to 396,824.01, 547,621.16 and 215,539.48

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Solution

The fourth proportional to 396,824.01, 547,621.16 and 215,539.48 is: 297,446.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,824.01 : 547,621.16 = 215,539.48 : x
  2. Step 2: Convert to fraction form
    396,824.01/547,621.16 = 215,539.48/x
  3. Step 3: Cross multiply
    396,824.01x = 547,621.16 × 215,539.48
  4. Step 4: Simplify right side
    396,824.01x = 118,033,979,670.23
  5. Step 5: Solve for x
    x = 118,033,979,670.23/396,824.01
  6. Step 6: Final answer
    x = 297,446.67

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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.