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Finding the Fourth Proportional to 503,297.96, 694,553.54 and 288,450.72

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Solution

The fourth proportional to 503,297.96, 694,553.54 and 288,450.72 is: 398,063.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,297.96 : 694,553.54 = 288,450.72 : x
  2. Step 2: Convert to fraction form
    503,297.96/694,553.54 = 288,450.72/x
  3. Step 3: Cross multiply
    503,297.96x = 694,553.54 × 288,450.72
  4. Step 4: Simplify right side
    503,297.96x = 200,344,467,249.30
  5. Step 5: Solve for x
    x = 200,344,467,249.30/503,297.96
  6. Step 6: Final answer
    x = 398,063.34

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1.5x scale

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.