Home / 774,990.72-1,162,454.22-269,667.36

Finding the Fourth Proportional to 774,990.72, 1,162,454.22 and 269,667.36

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Solution

The fourth proportional to 774,990.72, 1,162,454.22 and 269,667.36 is: 404,489.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,990.72 : 1,162,454.22 = 269,667.36 : x
  2. Step 2: Convert to fraction form
    774,990.72/1,162,454.22 = 269,667.36/x
  3. Step 3: Cross multiply
    774,990.72x = 1,162,454.22 × 269,667.36
  4. Step 4: Simplify right side
    774,990.72x = 313,475,960,628.26
  5. Step 5: Solve for x
    x = 313,475,960,628.26/774,990.72
  6. Step 6: Final answer
    x = 404,489.95

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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.