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Finding the Fourth Proportional to 816,797.36, 1,225,327 and 284,469.68

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Solution

The fourth proportional to 816,797.36, 1,225,327 and 284,469.68 is: 426,750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,797.36 : 1,225,327 = 284,469.68 : x
  2. Step 2: Convert to fraction form
    816,797.36/1,225,327 = 284,469.68/x
  3. Step 3: Cross multiply
    816,797.36x = 1,225,327 × 284,469.68
  4. Step 4: Simplify right side
    816,797.36x = 348,568,379,585.36
  5. Step 5: Solve for x
    x = 348,568,379,585.36/816,797.36
  6. Step 6: Final answer
    x = 426,750.13

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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.