Home / 844,939.65-1,266,687.75-312,361.41

Finding the Fourth Proportional to 844,939.65, 1,266,687.75 and 312,361.41

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Solution

The fourth proportional to 844,939.65, 1,266,687.75 and 312,361.41 is: 468,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,939.65 : 1,266,687.75 = 312,361.41 : x
  2. Step 2: Convert to fraction form
    844,939.65/1,266,687.75 = 312,361.41/x
  3. Step 3: Cross multiply
    844,939.65x = 1,266,687.75 × 312,361.41
  4. Step 4: Simplify right side
    844,939.65x = 395,664,371,619.73
  5. Step 5: Solve for x
    x = 395,664,371,619.73/844,939.65
  6. Step 6: Final answer
    x = 468,275.30

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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.