Home / 851,847.60-1,277,621.53-311,992.32

Finding the Fourth Proportional to 851,847.60, 1,277,621.53 and 311,992.32

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Solution

The fourth proportional to 851,847.60, 1,277,621.53 and 311,992.32 is: 467,933.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,847.60 : 1,277,621.53 = 311,992.32 : x
  2. Step 2: Convert to fraction form
    851,847.60/1,277,621.53 = 311,992.32/x
  3. Step 3: Cross multiply
    851,847.60x = 1,277,621.53 × 311,992.32
  4. Step 4: Simplify right side
    851,847.60x = 398,608,105,226.65
  5. Step 5: Solve for x
    x = 398,608,105,226.65/851,847.60
  6. Step 6: Final answer
    x = 467,933.59

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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.