Home / 800,356.42-1,200,536.66-327,041.70

Finding the Fourth Proportional to 800,356.42, 1,200,536.66 and 327,041.70

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Solution

The fourth proportional to 800,356.42, 1,200,536.66 and 327,041.70 is: 490,563.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,356.42 : 1,200,536.66 = 327,041.70 : x
  2. Step 2: Convert to fraction form
    800,356.42/1,200,536.66 = 327,041.70/x
  3. Step 3: Cross multiply
    800,356.42x = 1,200,536.66 × 327,041.70
  4. Step 4: Simplify right side
    800,356.42x = 392,625,550,198.72
  5. Step 5: Solve for x
    x = 392,625,550,198.72/800,356.42
  6. Step 6: Final answer
    x = 490,563.38

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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.