Home / 766,854.65-1,150,282.79-765,747.11

Finding the Fourth Proportional to 766,854.65, 1,150,282.79 and 765,747.11

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Solution

The fourth proportional to 766,854.65, 1,150,282.79 and 765,747.11 is: 1,148,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,854.65 : 1,150,282.79 = 765,747.11 : x
  2. Step 2: Convert to fraction form
    766,854.65/1,150,282.79 = 765,747.11/x
  3. Step 3: Cross multiply
    766,854.65x = 1,150,282.79 × 765,747.11
  4. Step 4: Simplify right side
    766,854.65x = 880,825,722,125.24
  5. Step 5: Solve for x
    x = 880,825,722,125.24/766,854.65
  6. Step 6: Final answer
    x = 1,148,621.48

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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.