Home / 722,251.80-1,083,377.70-349,003.80

Finding the Fourth Proportional to 722,251.80, 1,083,377.70 and 349,003.80

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Solution

The fourth proportional to 722,251.80, 1,083,377.70 and 349,003.80 is: 523,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,251.80 : 1,083,377.70 = 349,003.80 : x
  2. Step 2: Convert to fraction form
    722,251.80/1,083,377.70 = 349,003.80/x
  3. Step 3: Cross multiply
    722,251.80x = 1,083,377.70 × 349,003.80
  4. Step 4: Simplify right side
    722,251.80x = 378,102,934,135.26
  5. Step 5: Solve for x
    x = 378,102,934,135.26/722,251.80
  6. Step 6: Final answer
    x = 523,505.70

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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.