Home / 654,422.12-981,625.86-255,343.22

Finding the Fourth Proportional to 654,422.12, 981,625.86 and 255,343.22

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Solution

The fourth proportional to 654,422.12, 981,625.86 and 255,343.22 is: 383,011.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,422.12 : 981,625.86 = 255,343.22 : x
  2. Step 2: Convert to fraction form
    654,422.12/981,625.86 = 255,343.22/x
  3. Step 3: Cross multiply
    654,422.12x = 981,625.86 × 255,343.22
  4. Step 4: Simplify right side
    654,422.12x = 250,651,503,019.54
  5. Step 5: Solve for x
    x = 250,651,503,019.54/654,422.12
  6. Step 6: Final answer
    x = 383,011.97

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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.