Home / 669,669.44-1,004,586.76-220,274.96

Finding the Fourth Proportional to 669,669.44, 1,004,586.76 and 220,274.96

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Solution

The fourth proportional to 669,669.44, 1,004,586.76 and 220,274.96 is: 330,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,669.44 : 1,004,586.76 = 220,274.96 : x
  2. Step 2: Convert to fraction form
    669,669.44/1,004,586.76 = 220,274.96/x
  3. Step 3: Cross multiply
    669,669.44x = 1,004,586.76 × 220,274.96
  4. Step 4: Simplify right side
    669,669.44x = 221,285,308,375.53
  5. Step 5: Solve for x
    x = 221,285,308,375.53/669,669.44
  6. Step 6: Final answer
    x = 330,439.61

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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.