Home / 721,062.98-1,080,831.75-271,589.37

Finding the Fourth Proportional to 721,062.98, 1,080,831.75 and 271,589.37

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Solution

The fourth proportional to 721,062.98, 1,080,831.75 and 271,589.37 is: 407,096.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,062.98 : 1,080,831.75 = 271,589.37 : x
  2. Step 2: Convert to fraction form
    721,062.98/1,080,831.75 = 271,589.37/x
  3. Step 3: Cross multiply
    721,062.98x = 1,080,831.75 × 271,589.37
  4. Step 4: Simplify right side
    721,062.98x = 293,542,412,700.55
  5. Step 5: Solve for x
    x = 293,542,412,700.55/721,062.98
  6. Step 6: Final answer
    x = 407,096.78

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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.