Home / 825,020.26-1,238,079.26-339,100.85

Finding the Fourth Proportional to 825,020.26, 1,238,079.26 and 339,100.85

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Solution

The fourth proportional to 825,020.26, 1,238,079.26 and 339,100.85 is: 508,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,020.26 : 1,238,079.26 = 339,100.85 : x
  2. Step 2: Convert to fraction form
    825,020.26/1,238,079.26 = 339,100.85/x
  3. Step 3: Cross multiply
    825,020.26x = 1,238,079.26 × 339,100.85
  4. Step 4: Simplify right side
    825,020.26x = 419,833,733,376.32
  5. Step 5: Solve for x
    x = 419,833,733,376.32/825,020.26
  6. Step 6: Final answer
    x = 508,876.88

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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.