Home / 750,853.30-1,126,170.60-218,318.80

Finding the Fourth Proportional to 750,853.30, 1,126,170.60 and 218,318.80

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Solution

The fourth proportional to 750,853.30, 1,126,170.60 and 218,318.80 is: 327,446.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,853.30 : 1,126,170.60 = 218,318.80 : x
  2. Step 2: Convert to fraction form
    750,853.30/1,126,170.60 = 218,318.80/x
  3. Step 3: Cross multiply
    750,853.30x = 1,126,170.60 × 218,318.80
  4. Step 4: Simplify right side
    750,853.30x = 245,864,213,987.28
  5. Step 5: Solve for x
    x = 245,864,213,987.28/750,853.30
  6. Step 6: Final answer
    x = 327,446.41

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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.