Home / 653,420.13-980,327.03-204,122.85

Finding the Fourth Proportional to 653,420.13, 980,327.03 and 204,122.85

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Solution

The fourth proportional to 653,420.13, 980,327.03 and 204,122.85 is: 306,245.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,420.13 : 980,327.03 = 204,122.85 : x
  2. Step 2: Convert to fraction form
    653,420.13/980,327.03 = 204,122.85/x
  3. Step 3: Cross multiply
    653,420.13x = 980,327.03 × 204,122.85
  4. Step 4: Simplify right side
    653,420.13x = 200,107,146,275.02
  5. Step 5: Solve for x
    x = 200,107,146,275.02/653,420.13
  6. Step 6: Final answer
    x = 306,245.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.