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Finding the Fourth Proportional to 1,050.62, 1,450.41 and 736.85

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Solution

The fourth proportional to 1,050.62, 1,450.41 and 736.85 is: 1,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.62 : 1,450.41 = 736.85 : x
  2. Step 2: Convert to fraction form
    1,050.62/1,450.41 = 736.85/x
  3. Step 3: Cross multiply
    1,050.62x = 1,450.41 × 736.85
  4. Step 4: Simplify right side
    1,050.62x = 1,068,727.36
  5. Step 5: Solve for x
    x = 1,068,727.36/1,050.62
  6. Step 6: Final answer
    x = 1,017.24

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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.