Home / 815,496.71-1,222,933.38-268,261.80

Finding the Fourth Proportional to 815,496.71, 1,222,933.38 and 268,261.80

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Solution

The fourth proportional to 815,496.71, 1,222,933.38 and 268,261.80 is: 402,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,496.71 : 1,222,933.38 = 268,261.80 : x
  2. Step 2: Convert to fraction form
    815,496.71/1,222,933.38 = 268,261.80/x
  3. Step 3: Cross multiply
    815,496.71x = 1,222,933.38 × 268,261.80
  4. Step 4: Simplify right side
    815,496.71x = 328,066,309,798.88
  5. Step 5: Solve for x
    x = 328,066,309,798.88/815,496.71
  6. Step 6: Final answer
    x = 402,290.17

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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.