Home / 755,998.20-1,133,997.30-641,836.80

Finding the Fourth Proportional to 755,998.20, 1,133,997.30 and 641,836.80

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Solution

The fourth proportional to 755,998.20, 1,133,997.30 and 641,836.80 is: 962,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,998.20 : 1,133,997.30 = 641,836.80 : x
  2. Step 2: Convert to fraction form
    755,998.20/1,133,997.30 = 641,836.80/x
  3. Step 3: Cross multiply
    755,998.20x = 1,133,997.30 × 641,836.80
  4. Step 4: Simplify right side
    755,998.20x = 727,841,198,240.64
  5. Step 5: Solve for x
    x = 727,841,198,240.64/755,998.20
  6. Step 6: Final answer
    x = 962,755.20

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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.