Home / 669,662.44-1,004,639.15-220,428.95

Finding the Fourth Proportional to 669,662.44, 1,004,639.15 and 220,428.95

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Solution

The fourth proportional to 669,662.44, 1,004,639.15 and 220,428.95 is: 330,691.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,662.44 : 1,004,639.15 = 220,428.95 : x
  2. Step 2: Convert to fraction form
    669,662.44/1,004,639.15 = 220,428.95/x
  3. Step 3: Cross multiply
    669,662.44x = 1,004,639.15 × 220,428.95
  4. Step 4: Simplify right side
    669,662.44x = 221,451,548,491.27
  5. Step 5: Solve for x
    x = 221,451,548,491.27/669,662.44
  6. Step 6: Final answer
    x = 330,691.31

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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.