Home / 677,854.80-1,016,808.54-204,540.16

Finding the Fourth Proportional to 677,854.80, 1,016,808.54 and 204,540.16

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Solution

The fourth proportional to 677,854.80, 1,016,808.54 and 204,540.16 is: 306,818.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,854.80 : 1,016,808.54 = 204,540.16 : x
  2. Step 2: Convert to fraction form
    677,854.80/1,016,808.54 = 204,540.16/x
  3. Step 3: Cross multiply
    677,854.80x = 1,016,808.54 × 204,540.16
  4. Step 4: Simplify right side
    677,854.80x = 207,978,181,460.97
  5. Step 5: Solve for x
    x = 207,978,181,460.97/677,854.80
  6. Step 6: Final answer
    x = 306,818.19

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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.