Home / 681,813.59-1,022,868-261,089.46

Finding the Fourth Proportional to 681,813.59, 1,022,868 and 261,089.46

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Solution

The fourth proportional to 681,813.59, 1,022,868 and 261,089.46 is: 391,690.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,813.59 : 1,022,868 = 261,089.46 : x
  2. Step 2: Convert to fraction form
    681,813.59/1,022,868 = 261,089.46/x
  3. Step 3: Cross multiply
    681,813.59x = 1,022,868 × 261,089.46
  4. Step 4: Simplify right side
    681,813.59x = 267,060,053,771.28
  5. Step 5: Solve for x
    x = 267,060,053,771.28/681,813.59
  6. Step 6: Final answer
    x = 391,690.72

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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.