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Finding the Fourth Proportional to 802,523.89, 1,203,435.89 and 303,537.97

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Solution

The fourth proportional to 802,523.89, 1,203,435.89 and 303,537.97 is: 455,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,523.89 : 1,203,435.89 = 303,537.97 : x
  2. Step 2: Convert to fraction form
    802,523.89/1,203,435.89 = 303,537.97/x
  3. Step 3: Cross multiply
    802,523.89x = 1,203,435.89 × 303,537.97
  4. Step 4: Simplify right side
    802,523.89x = 365,288,488,200.62
  5. Step 5: Solve for x
    x = 365,288,488,200.62/802,523.89
  6. Step 6: Final answer
    x = 455,174.60

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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.