Home / 809,739.04-1,213,952.16-336,778.48

Finding the Fourth Proportional to 809,739.04, 1,213,952.16 and 336,778.48

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Solution

The fourth proportional to 809,739.04, 1,213,952.16 and 336,778.48 is: 504,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,739.04 : 1,213,952.16 = 336,778.48 : x
  2. Step 2: Convert to fraction form
    809,739.04/1,213,952.16 = 336,778.48/x
  3. Step 3: Cross multiply
    809,739.04x = 1,213,952.16 × 336,778.48
  4. Step 4: Simplify right side
    809,739.04x = 408,832,963,237.52
  5. Step 5: Solve for x
    x = 408,832,963,237.52/809,739.04
  6. Step 6: Final answer
    x = 504,894.72

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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.