Home / 809,097.40-1,213,937.70-336,122.20

Finding the Fourth Proportional to 809,097.40, 1,213,937.70 and 336,122.20

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Solution

The fourth proportional to 809,097.40, 1,213,937.70 and 336,122.20 is: 504,304.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,097.40 : 1,213,937.70 = 336,122.20 : x
  2. Step 2: Convert to fraction form
    809,097.40/1,213,937.70 = 336,122.20/x
  3. Step 3: Cross multiply
    809,097.40x = 1,213,937.70 × 336,122.20
  4. Step 4: Simplify right side
    809,097.40x = 408,031,410,386.94
  5. Step 5: Solve for x
    x = 408,031,410,386.94/809,097.40
  6. Step 6: Final answer
    x = 504,304.44

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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.