Home / 840,164.40-1,259,867.52-240,989.58

Finding the Fourth Proportional to 840,164.40, 1,259,867.52 and 240,989.58

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Solution

The fourth proportional to 840,164.40, 1,259,867.52 and 240,989.58 is: 361,375.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,164.40 : 1,259,867.52 = 240,989.58 : x
  2. Step 2: Convert to fraction form
    840,164.40/1,259,867.52 = 240,989.58/x
  3. Step 3: Cross multiply
    840,164.40x = 1,259,867.52 × 240,989.58
  4. Step 4: Simplify right side
    840,164.40x = 303,614,944,500.44
  5. Step 5: Solve for x
    x = 303,614,944,500.44/840,164.40
  6. Step 6: Final answer
    x = 361,375.64

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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.