Home / 765,982.07-1,149,145.39-233,556.92

Finding the Fourth Proportional to 765,982.07, 1,149,145.39 and 233,556.92

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Solution

The fourth proportional to 765,982.07, 1,149,145.39 and 233,556.92 is: 350,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,982.07 : 1,149,145.39 = 233,556.92 : x
  2. Step 2: Convert to fraction form
    765,982.07/1,149,145.39 = 233,556.92/x
  3. Step 3: Cross multiply
    765,982.07x = 1,149,145.39 × 233,556.92
  4. Step 4: Simplify right side
    765,982.07x = 268,390,857,920.60
  5. Step 5: Solve for x
    x = 268,390,857,920.60/765,982.07
  6. Step 6: Final answer
    x = 350,387.91

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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.