Home / 669,823.71-1,004,768.39-270,414.66

Finding the Fourth Proportional to 669,823.71, 1,004,768.39 and 270,414.66

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Solution

The fourth proportional to 669,823.71, 1,004,768.39 and 270,414.66 is: 405,635.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,823.71 : 1,004,768.39 = 270,414.66 : x
  2. Step 2: Convert to fraction form
    669,823.71/1,004,768.39 = 270,414.66/x
  3. Step 3: Cross multiply
    669,823.71x = 1,004,768.39 × 270,414.66
  4. Step 4: Simplify right side
    669,823.71x = 271,704,102,560.60
  5. Step 5: Solve for x
    x = 271,704,102,560.60/669,823.71
  6. Step 6: Final answer
    x = 405,635.24

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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.