Home / 681,264.80-1,022,055.49-231,989.57

Finding the Fourth Proportional to 681,264.80, 1,022,055.49 and 231,989.57

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Solution

The fourth proportional to 681,264.80, 1,022,055.49 and 231,989.57 is: 348,038.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,264.80 : 1,022,055.49 = 231,989.57 : x
  2. Step 2: Convert to fraction form
    681,264.80/1,022,055.49 = 231,989.57/x
  3. Step 3: Cross multiply
    681,264.80x = 1,022,055.49 × 231,989.57
  4. Step 4: Simplify right side
    681,264.80x = 237,106,213,306.13
  5. Step 5: Solve for x
    x = 237,106,213,306.13/681,264.80
  6. Step 6: Final answer
    x = 348,038.26

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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.