Home / 580,213.28-800,489.04-379,125.92

Finding the Fourth Proportional to 580,213.28, 800,489.04 and 379,125.92

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Solution

The fourth proportional to 580,213.28, 800,489.04 and 379,125.92 is: 523,059.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,213.28 : 800,489.04 = 379,125.92 : x
  2. Step 2: Convert to fraction form
    580,213.28/800,489.04 = 379,125.92/x
  3. Step 3: Cross multiply
    580,213.28x = 800,489.04 × 379,125.92
  4. Step 4: Simplify right side
    580,213.28x = 303,486,143,739.92
  5. Step 5: Solve for x
    x = 303,486,143,739.92/580,213.28
  6. Step 6: Final answer
    x = 523,059.63

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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.