Home / 774,881.97-1,162,372.17-206,253.78

Finding the Fourth Proportional to 774,881.97, 1,162,372.17 and 206,253.78

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Solution

The fourth proportional to 774,881.97, 1,162,372.17 and 206,253.78 is: 309,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,881.97 : 1,162,372.17 = 206,253.78 : x
  2. Step 2: Convert to fraction form
    774,881.97/1,162,372.17 = 206,253.78/x
  3. Step 3: Cross multiply
    774,881.97x = 1,162,372.17 × 206,253.78
  4. Step 4: Simplify right side
    774,881.97x = 239,743,653,829.30
  5. Step 5: Solve for x
    x = 239,743,653,829.30/774,881.97
  6. Step 6: Final answer
    x = 309,393.77

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1.5x scale

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.