Home / 765,640.28-1,148,507.76-233,200.52

Finding the Fourth Proportional to 765,640.28, 1,148,507.76 and 233,200.52

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Solution

The fourth proportional to 765,640.28, 1,148,507.76 and 233,200.52 is: 349,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,640.28 : 1,148,507.76 = 233,200.52 : x
  2. Step 2: Convert to fraction form
    765,640.28/1,148,507.76 = 233,200.52/x
  3. Step 3: Cross multiply
    765,640.28x = 1,148,507.76 × 233,200.52
  4. Step 4: Simplify right side
    765,640.28x = 267,832,606,856.04
  5. Step 5: Solve for x
    x = 267,832,606,856.04/765,640.28
  6. Step 6: Final answer
    x = 349,815.20

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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.