Home / 750,612.76-1,126,109.24-218,122.36

Finding the Fourth Proportional to 750,612.76, 1,126,109.24 and 218,122.36

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Solution

The fourth proportional to 750,612.76, 1,126,109.24 and 218,122.36 is: 327,238.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,612.76 : 1,126,109.24 = 218,122.36 : x
  2. Step 2: Convert to fraction form
    750,612.76/1,126,109.24 = 218,122.36/x
  3. Step 3: Cross multiply
    750,612.76x = 1,126,109.24 × 218,122.36
  4. Step 4: Simplify right side
    750,612.76x = 245,629,605,046.61
  5. Step 5: Solve for x
    x = 245,629,605,046.61/750,612.76
  6. Step 6: Final answer
    x = 327,238.78

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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.