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Finding the Fourth Proportional to 591,880, 816,794.40 and 323,608

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Solution

The fourth proportional to 591,880, 816,794.40 and 323,608 is: 446,579.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,880 : 816,794.40 = 323,608 : x
  2. Step 2: Convert to fraction form
    591,880/816,794.40 = 323,608/x
  3. Step 3: Cross multiply
    591,880x = 816,794.40 × 323,608
  4. Step 4: Simplify right side
    591,880x = 264,321,202,195.20
  5. Step 5: Solve for x
    x = 264,321,202,195.20/591,880
  6. Step 6: Final answer
    x = 446,579.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.