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Finding the Fourth Proportional to 1,052.82, 1,578.21 and 504.86

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Solution

The fourth proportional to 1,052.82, 1,578.21 and 504.86 is: 756.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.82 : 1,578.21 = 504.86 : x
  2. Step 2: Convert to fraction form
    1,052.82/1,578.21 = 504.86/x
  3. Step 3: Cross multiply
    1,052.82x = 1,578.21 × 504.86
  4. Step 4: Simplify right side
    1,052.82x = 796,767.21
  5. Step 5: Solve for x
    x = 796,767.21/1,052.82
  6. Step 6: Final answer
    x = 756.79

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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.