Home / 677,716.31-1,016,581.77-204,405.77

Finding the Fourth Proportional to 677,716.31, 1,016,581.77 and 204,405.77

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Solution

The fourth proportional to 677,716.31, 1,016,581.77 and 204,405.77 is: 306,610.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,716.31 : 1,016,581.77 = 204,405.77 : x
  2. Step 2: Convert to fraction form
    677,716.31/1,016,581.77 = 204,405.77/x
  3. Step 3: Cross multiply
    677,716.31x = 1,016,581.77 × 204,405.77
  4. Step 4: Simplify right side
    677,716.31x = 207,795,179,464.81
  5. Step 5: Solve for x
    x = 207,795,179,464.81/677,716.31
  6. Step 6: Final answer
    x = 306,610.86

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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.