Home / 820,149.26-1,230,772.97-340,377.46

Finding the Fourth Proportional to 820,149.26, 1,230,772.97 and 340,377.46

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Solution

The fourth proportional to 820,149.26, 1,230,772.97 and 340,377.46 is: 510,794.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,149.26 : 1,230,772.97 = 340,377.46 : x
  2. Step 2: Convert to fraction form
    820,149.26/1,230,772.97 = 340,377.46/x
  3. Step 3: Cross multiply
    820,149.26x = 1,230,772.97 × 340,377.46
  4. Step 4: Simplify right side
    820,149.26x = 418,927,375,139.27
  5. Step 5: Solve for x
    x = 418,927,375,139.27/820,149.26
  6. Step 6: Final answer
    x = 510,794.07

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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.