Home / 641,132.73-961,786.58-267,068.25

Finding the Fourth Proportional to 641,132.73, 961,786.58 and 267,068.25

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Solution

The fourth proportional to 641,132.73, 961,786.58 and 267,068.25 is: 400,638.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,132.73 : 961,786.58 = 267,068.25 : x
  2. Step 2: Convert to fraction form
    641,132.73/961,786.58 = 267,068.25/x
  3. Step 3: Cross multiply
    641,132.73x = 961,786.58 × 267,068.25
  4. Step 4: Simplify right side
    641,132.73x = 256,862,657,458.74
  5. Step 5: Solve for x
    x = 256,862,657,458.74/641,132.73
  6. Step 6: Final answer
    x = 400,638.82

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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.