Home / 766,818.92-1,149,678.30-293,105

Finding the Fourth Proportional to 766,818.92, 1,149,678.30 and 293,105

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Solution

The fourth proportional to 766,818.92, 1,149,678.30 and 293,105 is: 439,447.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,818.92 : 1,149,678.30 = 293,105 : x
  2. Step 2: Convert to fraction form
    766,818.92/1,149,678.30 = 293,105/x
  3. Step 3: Cross multiply
    766,818.92x = 1,149,678.30 × 293,105
  4. Step 4: Simplify right side
    766,818.92x = 336,976,458,121.50
  5. Step 5: Solve for x
    x = 336,976,458,121.50/766,818.92
  6. Step 6: Final answer
    x = 439,447.24

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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.