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Finding the Fourth Proportional to 815,622, 1,223,433 and 224,646

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Solution

The fourth proportional to 815,622, 1,223,433 and 224,646 is: 336,969

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,622 : 1,223,433 = 224,646 : x
  2. Step 2: Convert to fraction form
    815,622/1,223,433 = 224,646/x
  3. Step 3: Cross multiply
    815,622x = 1,223,433 × 224,646
  4. Step 4: Simplify right side
    815,622x = 274,839,329,718
  5. Step 5: Solve for x
    x = 274,839,329,718/815,622
  6. Step 6: Final answer
    x = 336,969

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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.