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Finding the Fourth Proportional to 802,605.50, 1,203,894.32 and 270,126.54

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Solution

The fourth proportional to 802,605.50, 1,203,894.32 and 270,126.54 is: 405,185.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,605.50 : 1,203,894.32 = 270,126.54 : x
  2. Step 2: Convert to fraction form
    802,605.50/1,203,894.32 = 270,126.54/x
  3. Step 3: Cross multiply
    802,605.50x = 1,203,894.32 × 270,126.54
  4. Step 4: Simplify right side
    802,605.50x = 325,203,805,836.62
  5. Step 5: Solve for x
    x = 325,203,805,836.62/802,605.50
  6. Step 6: Final answer
    x = 405,185.12

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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.