Home / 774,877.97-1,162,366.16-206,249.77

Finding the Fourth Proportional to 774,877.97, 1,162,366.16 and 206,249.77

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Solution

The fourth proportional to 774,877.97, 1,162,366.16 and 206,249.77 is: 309,387.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,877.97 : 1,162,366.16 = 206,249.77 : x
  2. Step 2: Convert to fraction form
    774,877.97/1,162,366.16 = 206,249.77/x
  3. Step 3: Cross multiply
    774,877.97x = 1,162,366.16 × 206,249.77
  4. Step 4: Simplify right side
    774,877.97x = 239,737,753,155.78
  5. Step 5: Solve for x
    x = 239,737,753,155.78/774,877.97
  6. Step 6: Final answer
    x = 309,387.75

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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.