Home / 851,687.38-1,277,797.55-252,651.67

Finding the Fourth Proportional to 851,687.38, 1,277,797.55 and 252,651.67

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Solution

The fourth proportional to 851,687.38, 1,277,797.55 and 252,651.67 is: 379,056.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,687.38 : 1,277,797.55 = 252,651.67 : x
  2. Step 2: Convert to fraction form
    851,687.38/1,277,797.55 = 252,651.67/x
  3. Step 3: Cross multiply
    851,687.38x = 1,277,797.55 × 252,651.67
  4. Step 4: Simplify right side
    851,687.38x = 322,837,684,929.41
  5. Step 5: Solve for x
    x = 322,837,684,929.41/851,687.38
  6. Step 6: Final answer
    x = 379,056.56

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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.