Home / 809,679.24-1,116,239.94-580,423.32

Finding the Fourth Proportional to 809,679.24, 1,116,239.94 and 580,423.32

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Solution

The fourth proportional to 809,679.24, 1,116,239.94 and 580,423.32 is: 800,183.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,679.24 : 1,116,239.94 = 580,423.32 : x
  2. Step 2: Convert to fraction form
    809,679.24/1,116,239.94 = 580,423.32/x
  3. Step 3: Cross multiply
    809,679.24x = 1,116,239.94 × 580,423.32
  4. Step 4: Simplify right side
    809,679.24x = 647,891,691,891.40
  5. Step 5: Solve for x
    x = 647,891,691,891.40/809,679.24
  6. Step 6: Final answer
    x = 800,183.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.