Home / 804,983.80-1,207,463.13-205,939.78

Finding the Fourth Proportional to 804,983.80, 1,207,463.13 and 205,939.78

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Solution

The fourth proportional to 804,983.80, 1,207,463.13 and 205,939.78 is: 308,906.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,983.80 : 1,207,463.13 = 205,939.78 : x
  2. Step 2: Convert to fraction form
    804,983.80/1,207,463.13 = 205,939.78/x
  3. Step 3: Cross multiply
    804,983.80x = 1,207,463.13 × 205,939.78
  4. Step 4: Simplify right side
    804,983.80x = 248,664,691,350.31
  5. Step 5: Solve for x
    x = 248,664,691,350.31/804,983.80
  6. Step 6: Final answer
    x = 308,906.45

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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.