Home / 800,370.36-1,200,557.57-327,055.77

Finding the Fourth Proportional to 800,370.36, 1,200,557.57 and 327,055.77

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Solution

The fourth proportional to 800,370.36, 1,200,557.57 and 327,055.77 is: 490,584.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,370.36 : 1,200,557.57 = 327,055.77 : x
  2. Step 2: Convert to fraction form
    800,370.36/1,200,557.57 = 327,055.77/x
  3. Step 3: Cross multiply
    800,370.36x = 1,200,557.57 × 327,055.77
  4. Step 4: Simplify right side
    800,370.36x = 392,649,278,850.40
  5. Step 5: Solve for x
    x = 392,649,278,850.40/800,370.36
  6. Step 6: Final answer
    x = 490,584.48

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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.