Home / 677,781.56-1,016,679.64-204,471.02

Finding the Fourth Proportional to 677,781.56, 1,016,679.64 and 204,471.02

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Solution

The fourth proportional to 677,781.56, 1,016,679.64 and 204,471.02 is: 306,708.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,781.56 : 1,016,679.64 = 204,471.02 : x
  2. Step 2: Convert to fraction form
    677,781.56/1,016,679.64 = 204,471.02/x
  3. Step 3: Cross multiply
    677,781.56x = 1,016,679.64 × 204,471.02
  4. Step 4: Simplify right side
    677,781.56x = 207,881,523,004.03
  5. Step 5: Solve for x
    x = 207,881,523,004.03/677,781.56
  6. Step 6: Final answer
    x = 306,708.73

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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.