Home / 727,813.20-1,091,719.80-254,449.20

Finding the Fourth Proportional to 727,813.20, 1,091,719.80 and 254,449.20

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Solution

The fourth proportional to 727,813.20, 1,091,719.80 and 254,449.20 is: 381,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,813.20 : 1,091,719.80 = 254,449.20 : x
  2. Step 2: Convert to fraction form
    727,813.20/1,091,719.80 = 254,449.20/x
  3. Step 3: Cross multiply
    727,813.20x = 1,091,719.80 × 254,449.20
  4. Step 4: Simplify right side
    727,813.20x = 277,787,229,734.16
  5. Step 5: Solve for x
    x = 277,787,229,734.16/727,813.20
  6. Step 6: Final answer
    x = 381,673.80

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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.