Home / 669,996.55-1,004,778.76-220,610.58

Finding the Fourth Proportional to 669,996.55, 1,004,778.76 and 220,610.58

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Solution

The fourth proportional to 669,996.55, 1,004,778.76 and 220,610.58 is: 330,844.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,996.55 : 1,004,778.76 = 220,610.58 : x
  2. Step 2: Convert to fraction form
    669,996.55/1,004,778.76 = 220,610.58/x
  3. Step 3: Cross multiply
    669,996.55x = 1,004,778.76 × 220,610.58
  4. Step 4: Simplify right side
    669,996.55x = 221,664,825,015.28
  5. Step 5: Solve for x
    x = 221,664,825,015.28/669,996.55
  6. Step 6: Final answer
    x = 330,844.73

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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.