Home / 725,554.45-1,088,334.31-220,119.72

Finding the Fourth Proportional to 725,554.45, 1,088,334.31 and 220,119.72

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Solution

The fourth proportional to 725,554.45, 1,088,334.31 and 220,119.72 is: 330,180.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,554.45 : 1,088,334.31 = 220,119.72 : x
  2. Step 2: Convert to fraction form
    725,554.45/1,088,334.31 = 220,119.72/x
  3. Step 3: Cross multiply
    725,554.45x = 1,088,334.31 × 220,119.72
  4. Step 4: Simplify right side
    725,554.45x = 239,563,843,583.59
  5. Step 5: Solve for x
    x = 239,563,843,583.59/725,554.45
  6. Step 6: Final answer
    x = 330,180.38

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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.