Home / 800,118.48-1,200,440.52-327,201.60

Finding the Fourth Proportional to 800,118.48, 1,200,440.52 and 327,201.60

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Solution

The fourth proportional to 800,118.48, 1,200,440.52 and 327,201.60 is: 490,909.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,118.48 : 1,200,440.52 = 327,201.60 : x
  2. Step 2: Convert to fraction form
    800,118.48/1,200,440.52 = 327,201.60/x
  3. Step 3: Cross multiply
    800,118.48x = 1,200,440.52 × 327,201.60
  4. Step 4: Simplify right side
    800,118.48x = 392,786,058,848.83
  5. Step 5: Solve for x
    x = 392,786,058,848.83/800,118.48
  6. Step 6: Final answer
    x = 490,909.87

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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.