Home / 800,324.88-1,199,379.24-400,457.04

Finding the Fourth Proportional to 800,324.88, 1,199,379.24 and 400,457.04

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Solution

The fourth proportional to 800,324.88, 1,199,379.24 and 400,457.04 is: 600,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,324.88 : 1,199,379.24 = 400,457.04 : x
  2. Step 2: Convert to fraction form
    800,324.88/1,199,379.24 = 400,457.04/x
  3. Step 3: Cross multiply
    800,324.88x = 1,199,379.24 × 400,457.04
  4. Step 4: Simplify right side
    800,324.88x = 480,299,860,287.85
  5. Step 5: Solve for x
    x = 480,299,860,287.85/800,324.88
  6. Step 6: Final answer
    x = 600,131.11

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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.