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Finding the Fourth Proportional to 458,351.89, 632,144.07 and 343,884.53

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Solution

The fourth proportional to 458,351.89, 632,144.07 and 343,884.53 is: 474,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,351.89 : 632,144.07 = 343,884.53 : x
  2. Step 2: Convert to fraction form
    458,351.89/632,144.07 = 343,884.53/x
  3. Step 3: Cross multiply
    458,351.89x = 632,144.07 × 343,884.53
  4. Step 4: Simplify right side
    458,351.89x = 217,384,567,984.60
  5. Step 5: Solve for x
    x = 217,384,567,984.60/458,351.89
  6. Step 6: Final answer
    x = 474,274.40

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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.