Home / 808,824.82-1,213,266.39-303,334.60

Finding the Fourth Proportional to 808,824.82, 1,213,266.39 and 303,334.60

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Solution

The fourth proportional to 808,824.82, 1,213,266.39 and 303,334.60 is: 455,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,824.82 : 1,213,266.39 = 303,334.60 : x
  2. Step 2: Convert to fraction form
    808,824.82/1,213,266.39 = 303,334.60/x
  3. Step 3: Cross multiply
    808,824.82x = 1,213,266.39 × 303,334.60
  4. Step 4: Simplify right side
    808,824.82x = 368,025,675,104.09
  5. Step 5: Solve for x
    x = 368,025,675,104.09/808,824.82
  6. Step 6: Final answer
    x = 455,012.84

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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.