Home / 800,343.53-1,200,517.34-327,028.89

Finding the Fourth Proportional to 800,343.53, 1,200,517.34 and 327,028.89

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Solution

The fourth proportional to 800,343.53, 1,200,517.34 and 327,028.89 is: 490,544.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,343.53 : 1,200,517.34 = 327,028.89 : x
  2. Step 2: Convert to fraction form
    800,343.53/1,200,517.34 = 327,028.89/x
  3. Step 3: Cross multiply
    800,343.53x = 1,200,517.34 × 327,028.89
  4. Step 4: Simplify right side
    800,343.53x = 392,603,855,992.75
  5. Step 5: Solve for x
    x = 392,603,855,992.75/800,343.53
  6. Step 6: Final answer
    x = 490,544.17

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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.