Home / 628,469.31-941,962.26-268,534.90

Finding the Fourth Proportional to 628,469.31, 941,962.26 and 268,534.90

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Solution

The fourth proportional to 628,469.31, 941,962.26 and 268,534.90 is: 402,485.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,469.31 : 941,962.26 = 268,534.90 : x
  2. Step 2: Convert to fraction form
    628,469.31/941,962.26 = 268,534.90/x
  3. Step 3: Cross multiply
    628,469.31x = 941,962.26 × 268,534.90
  4. Step 4: Simplify right side
    628,469.31x = 252,949,736,479.47
  5. Step 5: Solve for x
    x = 252,949,736,479.47/628,469.31
  6. Step 6: Final answer
    x = 402,485.43

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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.