Home / 641,261.80-962,238.30-267,322.60

Finding the Fourth Proportional to 641,261.80, 962,238.30 and 267,322.60

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Solution

The fourth proportional to 641,261.80, 962,238.30 and 267,322.60 is: 401,127.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,261.80 : 962,238.30 = 267,322.60 : x
  2. Step 2: Convert to fraction form
    641,261.80/962,238.30 = 267,322.60/x
  3. Step 3: Cross multiply
    641,261.80x = 962,238.30 × 267,322.60
  4. Step 4: Simplify right side
    641,261.80x = 257,228,044,175.58
  5. Step 5: Solve for x
    x = 257,228,044,175.58/641,261.80
  6. Step 6: Final answer
    x = 401,127.97

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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.