Home / 720,504.60-1,080,778.86-247,183.26

Finding the Fourth Proportional to 720,504.60, 1,080,778.86 and 247,183.26

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Solution

The fourth proportional to 720,504.60, 1,080,778.86 and 247,183.26 is: 370,782.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,504.60 : 1,080,778.86 = 247,183.26 : x
  2. Step 2: Convert to fraction form
    720,504.60/1,080,778.86 = 247,183.26/x
  3. Step 3: Cross multiply
    720,504.60x = 1,080,778.86 × 247,183.26
  4. Step 4: Simplify right side
    720,504.60x = 267,150,441,953.88
  5. Step 5: Solve for x
    x = 267,150,441,953.88/720,504.60
  6. Step 6: Final answer
    x = 370,782.42

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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.