Home / 767,814.80-1,151,722.20-394,566.80

Finding the Fourth Proportional to 767,814.80, 1,151,722.20 and 394,566.80

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Solution

The fourth proportional to 767,814.80, 1,151,722.20 and 394,566.80 is: 591,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,814.80 : 1,151,722.20 = 394,566.80 : x
  2. Step 2: Convert to fraction form
    767,814.80/1,151,722.20 = 394,566.80/x
  3. Step 3: Cross multiply
    767,814.80x = 1,151,722.20 × 394,566.80
  4. Step 4: Simplify right side
    767,814.80x = 454,431,342,942.96
  5. Step 5: Solve for x
    x = 454,431,342,942.96/767,814.80
  6. Step 6: Final answer
    x = 591,850.20

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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.