Home / 765,971.16-1,149,481.62-267,335.16

Finding the Fourth Proportional to 765,971.16, 1,149,481.62 and 267,335.16

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Solution

The fourth proportional to 765,971.16, 1,149,481.62 and 267,335.16 is: 401,185.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,971.16 : 1,149,481.62 = 267,335.16 : x
  2. Step 2: Convert to fraction form
    765,971.16/1,149,481.62 = 267,335.16/x
  3. Step 3: Cross multiply
    765,971.16x = 1,149,481.62 × 267,335.16
  4. Step 4: Simplify right side
    765,971.16x = 307,296,852,799.76
  5. Step 5: Solve for x
    x = 307,296,852,799.76/765,971.16
  6. Step 6: Final answer
    x = 401,185.93

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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.