Home / 805,217.20-1,207,825.80-244,279.60

Finding the Fourth Proportional to 805,217.20, 1,207,825.80 and 244,279.60

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Solution

The fourth proportional to 805,217.20, 1,207,825.80 and 244,279.60 is: 366,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,217.20 : 1,207,825.80 = 244,279.60 : x
  2. Step 2: Convert to fraction form
    805,217.20/1,207,825.80 = 244,279.60/x
  3. Step 3: Cross multiply
    805,217.20x = 1,207,825.80 × 244,279.60
  4. Step 4: Simplify right side
    805,217.20x = 295,047,203,293.68
  5. Step 5: Solve for x
    x = 295,047,203,293.68/805,217.20
  6. Step 6: Final answer
    x = 366,419.40

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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.