Home / 815,933.54-1,224,144.81-329,365.17

Finding the Fourth Proportional to 815,933.54, 1,224,144.81 and 329,365.17

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Solution

The fourth proportional to 815,933.54, 1,224,144.81 and 329,365.17 is: 494,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,933.54 : 1,224,144.81 = 329,365.17 : x
  2. Step 2: Convert to fraction form
    815,933.54/1,224,144.81 = 329,365.17/x
  3. Step 3: Cross multiply
    815,933.54x = 1,224,144.81 × 329,365.17
  4. Step 4: Simplify right side
    815,933.54x = 403,190,663,450.27
  5. Step 5: Solve for x
    x = 403,190,663,450.27/815,933.54
  6. Step 6: Final answer
    x = 494,146.45

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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.