Home / 719,995.75-1,080,168.60-221,359.75

Finding the Fourth Proportional to 719,995.75, 1,080,168.60 and 221,359.75

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Solution

The fourth proportional to 719,995.75, 1,080,168.60 and 221,359.75 is: 332,093.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,995.75 : 1,080,168.60 = 221,359.75 : x
  2. Step 2: Convert to fraction form
    719,995.75/1,080,168.60 = 221,359.75/x
  3. Step 3: Cross multiply
    719,995.75x = 1,080,168.60 × 221,359.75
  4. Step 4: Simplify right side
    719,995.75x = 239,105,851,253.85
  5. Step 5: Solve for x
    x = 239,105,851,253.85/719,995.75
  6. Step 6: Final answer
    x = 332,093.42

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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.