Home / 677,851.42-1,016,784.96-204,540.88

Finding the Fourth Proportional to 677,851.42, 1,016,784.96 and 204,540.88

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Solution

The fourth proportional to 677,851.42, 1,016,784.96 and 204,540.88 is: 306,813.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,851.42 : 1,016,784.96 = 204,540.88 : x
  2. Step 2: Convert to fraction form
    677,851.42/1,016,784.96 = 204,540.88/x
  3. Step 3: Cross multiply
    677,851.42x = 1,016,784.96 × 204,540.88
  4. Step 4: Simplify right side
    677,851.42x = 207,974,090,489.17
  5. Step 5: Solve for x
    x = 207,974,090,489.17/677,851.42
  6. Step 6: Final answer
    x = 306,813.68

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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.