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Finding the Fourth Proportional to 548,450.78, 822,002.37 and 308,059.35

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Solution

The fourth proportional to 548,450.78, 822,002.37 and 308,059.35 is: 461,710.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,450.78 : 822,002.37 = 308,059.35 : x
  2. Step 2: Convert to fraction form
    548,450.78/822,002.37 = 308,059.35/x
  3. Step 3: Cross multiply
    548,450.78x = 822,002.37 × 308,059.35
  4. Step 4: Simplify right side
    548,450.78x = 253,225,515,800.66
  5. Step 5: Solve for x
    x = 253,225,515,800.66/548,450.78
  6. Step 6: Final answer
    x = 461,710.56

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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.