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Finding the Fourth Proportional to 595,912.80, 822,359.52 and 327,640.80

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Solution

The fourth proportional to 595,912.80, 822,359.52 and 327,640.80 is: 452,144.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,912.80 : 822,359.52 = 327,640.80 : x
  2. Step 2: Convert to fraction form
    595,912.80/822,359.52 = 327,640.80/x
  3. Step 3: Cross multiply
    595,912.80x = 822,359.52 × 327,640.80
  4. Step 4: Simplify right side
    595,912.80x = 269,438,531,020.42
  5. Step 5: Solve for x
    x = 269,438,531,020.42/595,912.80
  6. Step 6: Final answer
    x = 452,144.22

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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.