Home / 769,611.72-1,154,723.76-296,169.96

Finding the Fourth Proportional to 769,611.72, 1,154,723.76 and 296,169.96

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Solution

The fourth proportional to 769,611.72, 1,154,723.76 and 296,169.96 is: 444,372.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,611.72 : 1,154,723.76 = 296,169.96 : x
  2. Step 2: Convert to fraction form
    769,611.72/1,154,723.76 = 296,169.96/x
  3. Step 3: Cross multiply
    769,611.72x = 1,154,723.76 × 296,169.96
  4. Step 4: Simplify right side
    769,611.72x = 341,994,489,810.25
  5. Step 5: Solve for x
    x = 341,994,489,810.25/769,611.72
  6. Step 6: Final answer
    x = 444,372.77

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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.