Home / 438,723.48-605,404.62-247,753.56

Finding the Fourth Proportional to 438,723.48, 605,404.62 and 247,753.56

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Solution

The fourth proportional to 438,723.48, 605,404.62 and 247,753.56 is: 341,880.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,723.48 : 605,404.62 = 247,753.56 : x
  2. Step 2: Convert to fraction form
    438,723.48/605,404.62 = 247,753.56/x
  3. Step 3: Cross multiply
    438,723.48x = 605,404.62 × 247,753.56
  4. Step 4: Simplify right side
    438,723.48x = 149,991,149,845.45
  5. Step 5: Solve for x
    x = 149,991,149,845.45/438,723.48
  6. Step 6: Final answer
    x = 341,880.84

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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.