Home / 792,076.20-1,188,114.30-259,468.80

Finding the Fourth Proportional to 792,076.20, 1,188,114.30 and 259,468.80

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Solution

The fourth proportional to 792,076.20, 1,188,114.30 and 259,468.80 is: 389,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,076.20 : 1,188,114.30 = 259,468.80 : x
  2. Step 2: Convert to fraction form
    792,076.20/1,188,114.30 = 259,468.80/x
  3. Step 3: Cross multiply
    792,076.20x = 1,188,114.30 × 259,468.80
  4. Step 4: Simplify right side
    792,076.20x = 308,278,591,683.84
  5. Step 5: Solve for x
    x = 308,278,591,683.84/792,076.20
  6. Step 6: Final answer
    x = 389,203.20

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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.