Home / 765,997.39-1,148,996.07-233,513.81

Finding the Fourth Proportional to 765,997.39, 1,148,996.07 and 233,513.81

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Solution

The fourth proportional to 765,997.39, 1,148,996.07 and 233,513.81 is: 350,270.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,997.39 : 1,148,996.07 = 233,513.81 : x
  2. Step 2: Convert to fraction form
    765,997.39/1,148,996.07 = 233,513.81/x
  3. Step 3: Cross multiply
    765,997.39x = 1,148,996.07 × 233,513.81
  4. Step 4: Simplify right side
    765,997.39x = 268,306,449,980.73
  5. Step 5: Solve for x
    x = 268,306,449,980.73/765,997.39
  6. Step 6: Final answer
    x = 350,270.71

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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.