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Finding the Fourth Proportional to 800,506.62, 1,200,759.93 and 379,552.86

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Solution

The fourth proportional to 800,506.62, 1,200,759.93 and 379,552.86 is: 569,329.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,506.62 : 1,200,759.93 = 379,552.86 : x
  2. Step 2: Convert to fraction form
    800,506.62/1,200,759.93 = 379,552.86/x
  3. Step 3: Cross multiply
    800,506.62x = 1,200,759.93 × 379,552.86
  4. Step 4: Simplify right side
    800,506.62x = 455,751,865,604.90
  5. Step 5: Solve for x
    x = 455,751,865,604.90/800,506.62
  6. Step 6: Final answer
    x = 569,329.29

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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.