Home / 765,812.25-1,149,243.30-267,176.25

Finding the Fourth Proportional to 765,812.25, 1,149,243.30 and 267,176.25

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Solution

The fourth proportional to 765,812.25, 1,149,243.30 and 267,176.25 is: 400,947.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,812.25 : 1,149,243.30 = 267,176.25 : x
  2. Step 2: Convert to fraction form
    765,812.25/1,149,243.30 = 267,176.25/x
  3. Step 3: Cross multiply
    765,812.25x = 1,149,243.30 × 267,176.25
  4. Step 4: Simplify right side
    765,812.25x = 307,050,515,231.63
  5. Step 5: Solve for x
    x = 307,050,515,231.63/765,812.25
  6. Step 6: Final answer
    x = 400,947.51

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Double scale
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1.5x scale

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.