Home / 869,721.20-1,304,581.80-230,023.70

Finding the Fourth Proportional to 869,721.20, 1,304,581.80 and 230,023.70

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Solution

The fourth proportional to 869,721.20, 1,304,581.80 and 230,023.70 is: 345,035.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,721.20 : 1,304,581.80 = 230,023.70 : x
  2. Step 2: Convert to fraction form
    869,721.20/1,304,581.80 = 230,023.70/x
  3. Step 3: Cross multiply
    869,721.20x = 1,304,581.80 × 230,023.70
  4. Step 4: Simplify right side
    869,721.20x = 300,084,732,588.66
  5. Step 5: Solve for x
    x = 300,084,732,588.66/869,721.20
  6. Step 6: Final answer
    x = 345,035.55

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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.