Home / 800,351.55-1,200,529.35-327,036.90

Finding the Fourth Proportional to 800,351.55, 1,200,529.35 and 327,036.90

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Solution

The fourth proportional to 800,351.55, 1,200,529.35 and 327,036.90 is: 490,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,351.55 : 1,200,529.35 = 327,036.90 : x
  2. Step 2: Convert to fraction form
    800,351.55/1,200,529.35 = 327,036.90/x
  3. Step 3: Cross multiply
    800,351.55x = 1,200,529.35 × 327,036.90
  4. Step 4: Simplify right side
    800,351.55x = 392,617,396,983.02
  5. Step 5: Solve for x
    x = 392,617,396,983.02/800,351.55
  6. Step 6: Final answer
    x = 490,556.18

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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.