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Finding the Fourth Proportional to 605,383.68, 907,652.70 and 268,241.25

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Solution

The fourth proportional to 605,383.68, 907,652.70 and 268,241.25 is: 402,174.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,383.68 : 907,652.70 = 268,241.25 : x
  2. Step 2: Convert to fraction form
    605,383.68/907,652.70 = 268,241.25/x
  3. Step 3: Cross multiply
    605,383.68x = 907,652.70 × 268,241.25
  4. Step 4: Simplify right side
    605,383.68x = 243,469,894,813.88
  5. Step 5: Solve for x
    x = 243,469,894,813.88/605,383.68
  6. Step 6: Final answer
    x = 402,174.53

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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.