Home / 677,722.75-1,016,591.41-204,412.21

Finding the Fourth Proportional to 677,722.75, 1,016,591.41 and 204,412.21

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Solution

The fourth proportional to 677,722.75, 1,016,591.41 and 204,412.21 is: 306,620.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,722.75 : 1,016,591.41 = 204,412.21 : x
  2. Step 2: Convert to fraction form
    677,722.75/1,016,591.41 = 204,412.21/x
  3. Step 3: Cross multiply
    677,722.75x = 1,016,591.41 × 204,412.21
  4. Step 4: Simplify right side
    677,722.75x = 207,803,694,499.15
  5. Step 5: Solve for x
    x = 207,803,694,499.15/677,722.75
  6. Step 6: Final answer
    x = 306,620.51

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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.