Home / 765,552.26-1,148,331.08-225,815.18

Finding the Fourth Proportional to 765,552.26, 1,148,331.08 and 225,815.18

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Solution

The fourth proportional to 765,552.26, 1,148,331.08 and 225,815.18 is: 338,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,552.26 : 1,148,331.08 = 225,815.18 : x
  2. Step 2: Convert to fraction form
    765,552.26/1,148,331.08 = 225,815.18/x
  3. Step 3: Cross multiply
    765,552.26x = 1,148,331.08 × 225,815.18
  4. Step 4: Simplify right side
    765,552.26x = 259,310,592,274.86
  5. Step 5: Solve for x
    x = 259,310,592,274.86/765,552.26
  6. Step 6: Final answer
    x = 338,723.57

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Double scale
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Similar ratio
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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.