Home / 354,921.60-532,382.40-325,891.20

Finding the Fourth Proportional to 354,921.60, 532,382.40 and 325,891.20

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Solution

The fourth proportional to 354,921.60, 532,382.40 and 325,891.20 is: 488,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,921.60 : 532,382.40 = 325,891.20 : x
  2. Step 2: Convert to fraction form
    354,921.60/532,382.40 = 325,891.20/x
  3. Step 3: Cross multiply
    354,921.60x = 532,382.40 × 325,891.20
  4. Step 4: Simplify right side
    354,921.60x = 173,498,739,194.88
  5. Step 5: Solve for x
    x = 173,498,739,194.88/354,921.60
  6. Step 6: Final answer
    x = 488,836.80

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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.