Home / 774,902.97-1,162,403.73-206,274.87

Finding the Fourth Proportional to 774,902.97, 1,162,403.73 and 206,274.87

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Solution

The fourth proportional to 774,902.97, 1,162,403.73 and 206,274.87 is: 309,425.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,902.97 : 1,162,403.73 = 206,274.87 : x
  2. Step 2: Convert to fraction form
    774,902.97/1,162,403.73 = 206,274.87/x
  3. Step 3: Cross multiply
    774,902.97x = 1,162,403.73 × 206,274.87
  4. Step 4: Simplify right side
    774,902.97x = 239,774,678,293.27
  5. Step 5: Solve for x
    x = 239,774,678,293.27/774,902.97
  6. Step 6: Final answer
    x = 309,425.42

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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.