Home / 419,962.79-629,944.02-104,419.73

Finding the Fourth Proportional to 419,962.79, 629,944.02 and 104,419.73

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Solution

The fourth proportional to 419,962.79, 629,944.02 and 104,419.73 is: 156,629.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,962.79 : 629,944.02 = 104,419.73 : x
  2. Step 2: Convert to fraction form
    419,962.79/629,944.02 = 104,419.73/x
  3. Step 3: Cross multiply
    419,962.79x = 629,944.02 × 104,419.73
  4. Step 4: Simplify right side
    419,962.79x = 65,778,586,058.37
  5. Step 5: Solve for x
    x = 65,778,586,058.37/419,962.79
  6. Step 6: Final answer
    x = 156,629.56

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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.