Home / 809,469.72-1,213,992.90-240,697.71

Finding the Fourth Proportional to 809,469.72, 1,213,992.90 and 240,697.71

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Solution

The fourth proportional to 809,469.72, 1,213,992.90 and 240,697.71 is: 360,983.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,469.72 : 1,213,992.90 = 240,697.71 : x
  2. Step 2: Convert to fraction form
    809,469.72/1,213,992.90 = 240,697.71/x
  3. Step 3: Cross multiply
    809,469.72x = 1,213,992.90 × 240,697.71
  4. Step 4: Simplify right side
    809,469.72x = 292,205,310,986.26
  5. Step 5: Solve for x
    x = 292,205,310,986.26/809,469.72
  6. Step 6: Final answer
    x = 360,983.62

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1.5x scale

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.