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Finding the Fourth Proportional to 550,796.37, 825,418.71 and 437,975.79

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Solution

The fourth proportional to 550,796.37, 825,418.71 and 437,975.79 is: 656,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,796.37 : 825,418.71 = 437,975.79 : x
  2. Step 2: Convert to fraction form
    550,796.37/825,418.71 = 437,975.79/x
  3. Step 3: Cross multiply
    550,796.37x = 825,418.71 × 437,975.79
  4. Step 4: Simplify right side
    550,796.37x = 361,513,411,593.03
  5. Step 5: Solve for x
    x = 361,513,411,593.03/550,796.37
  6. Step 6: Final answer
    x = 656,346.76

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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.