Home / 839,791.20-1,259,686.80-629,839.20

Finding the Fourth Proportional to 839,791.20, 1,259,686.80 and 629,839.20

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Solution

The fourth proportional to 839,791.20, 1,259,686.80 and 629,839.20 is: 944,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,791.20 : 1,259,686.80 = 629,839.20 : x
  2. Step 2: Convert to fraction form
    839,791.20/1,259,686.80 = 629,839.20/x
  3. Step 3: Cross multiply
    839,791.20x = 1,259,686.80 × 629,839.20
  4. Step 4: Simplify right side
    839,791.20x = 793,400,126,362.56
  5. Step 5: Solve for x
    x = 793,400,126,362.56/839,791.20
  6. Step 6: Final answer
    x = 944,758.80

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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.