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Finding the Fourth Proportional to 535,450.43, 738,874.51 and 305,962.11

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Solution

The fourth proportional to 535,450.43, 738,874.51 and 305,962.11 is: 422,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,450.43 : 738,874.51 = 305,962.11 : x
  2. Step 2: Convert to fraction form
    535,450.43/738,874.51 = 305,962.11/x
  3. Step 3: Cross multiply
    535,450.43x = 738,874.51 × 305,962.11
  4. Step 4: Simplify right side
    535,450.43x = 226,067,603,339.91
  5. Step 5: Solve for x
    x = 226,067,603,339.91/535,450.43
  6. Step 6: Final answer
    x = 422,200.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.