Home / 980,996.96-1,471,480.85-271,009.28

Finding the Fourth Proportional to 980,996.96, 1,471,480.85 and 271,009.28

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Solution

The fourth proportional to 980,996.96, 1,471,480.85 and 271,009.28 is: 406,509.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,996.96 : 1,471,480.85 = 271,009.28 : x
  2. Step 2: Convert to fraction form
    980,996.96/1,471,480.85 = 271,009.28/x
  3. Step 3: Cross multiply
    980,996.96x = 1,471,480.85 × 271,009.28
  4. Step 4: Simplify right side
    980,996.96x = 398,784,956,979.84
  5. Step 5: Solve for x
    x = 398,784,956,979.84/980,996.96
  6. Step 6: Final answer
    x = 406,509.88

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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.