Home / 791,995.88-1,187,873.54-259,505.12

Finding the Fourth Proportional to 791,995.88, 1,187,873.54 and 259,505.12

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Solution

The fourth proportional to 791,995.88, 1,187,873.54 and 259,505.12 is: 389,218.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,995.88 : 1,187,873.54 = 259,505.12 : x
  2. Step 2: Convert to fraction form
    791,995.88/1,187,873.54 = 259,505.12/x
  3. Step 3: Cross multiply
    791,995.88x = 1,187,873.54 × 259,505.12
  4. Step 4: Simplify right side
    791,995.88x = 308,259,265,542.53
  5. Step 5: Solve for x
    x = 308,259,265,542.53/791,995.88
  6. Step 6: Final answer
    x = 389,218.27

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1.5x scale

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.