Home / 800,119.48-1,200,442.02-327,202.60

Finding the Fourth Proportional to 800,119.48, 1,200,442.02 and 327,202.60

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Solution

The fourth proportional to 800,119.48, 1,200,442.02 and 327,202.60 is: 490,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,119.48 : 1,200,442.02 = 327,202.60 : x
  2. Step 2: Convert to fraction form
    800,119.48/1,200,442.02 = 327,202.60/x
  3. Step 3: Cross multiply
    800,119.48x = 1,200,442.02 × 327,202.60
  4. Step 4: Simplify right side
    800,119.48x = 392,787,750,093.25
  5. Step 5: Solve for x
    x = 392,787,750,093.25/800,119.48
  6. Step 6: Final answer
    x = 490,911.37

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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.