Home / 396,828.20-547,626.94-215,543.67

Finding the Fourth Proportional to 396,828.20, 547,626.94 and 215,543.67

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Solution

The fourth proportional to 396,828.20, 547,626.94 and 215,543.67 is: 297,452.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,828.20 : 547,626.94 = 215,543.67 : x
  2. Step 2: Convert to fraction form
    396,828.20/547,626.94 = 215,543.67/x
  3. Step 3: Cross multiply
    396,828.20x = 547,626.94 × 215,543.67
  4. Step 4: Simplify right side
    396,828.20x = 118,037,520,438.47
  5. Step 5: Solve for x
    x = 118,037,520,438.47/396,828.20
  6. Step 6: Final answer
    x = 297,452.45

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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.