Home / 722,956.80-1,084,227.84-279,621.12

Finding the Fourth Proportional to 722,956.80, 1,084,227.84 and 279,621.12

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Solution

The fourth proportional to 722,956.80, 1,084,227.84 and 279,621.12 is: 419,351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,956.80 : 1,084,227.84 = 279,621.12 : x
  2. Step 2: Convert to fraction form
    722,956.80/1,084,227.84 = 279,621.12/x
  3. Step 3: Cross multiply
    722,956.80x = 1,084,227.84 × 279,621.12
  4. Step 4: Simplify right side
    722,956.80x = 303,173,002,955.98
  5. Step 5: Solve for x
    x = 303,173,002,955.98/722,956.80
  6. Step 6: Final answer
    x = 419,351.48

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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.