Home / 825,744.70-1,239,769.05-528,067.90

Finding the Fourth Proportional to 825,744.70, 1,239,769.05 and 528,067.90

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Solution

The fourth proportional to 825,744.70, 1,239,769.05 and 528,067.90 is: 792,838.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,744.70 : 1,239,769.05 = 528,067.90 : x
  2. Step 2: Convert to fraction form
    825,744.70/1,239,769.05 = 528,067.90/x
  3. Step 3: Cross multiply
    825,744.70x = 1,239,769.05 × 528,067.90
  4. Step 4: Simplify right side
    825,744.70x = 654,682,238,718.50
  5. Step 5: Solve for x
    x = 654,682,238,718.50/825,744.70
  6. Step 6: Final answer
    x = 792,838.56

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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.