Home / 809,976.24-1,117,745.77-447,392.30

Finding the Fourth Proportional to 809,976.24, 1,117,745.77 and 447,392.30

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Solution

The fourth proportional to 809,976.24, 1,117,745.77 and 447,392.30 is: 617,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,976.24 : 1,117,745.77 = 447,392.30 : x
  2. Step 2: Convert to fraction form
    809,976.24/1,117,745.77 = 447,392.30/x
  3. Step 3: Cross multiply
    809,976.24x = 1,117,745.77 × 447,392.30
  4. Step 4: Simplify right side
    809,976.24x = 500,070,850,855.57
  5. Step 5: Solve for x
    x = 500,070,850,855.57/809,976.24
  6. Step 6: Final answer
    x = 617,389.53

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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.