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Finding the Fourth Proportional to 580,289.78, 800,594.60 and 379,202.42

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Solution

The fourth proportional to 580,289.78, 800,594.60 and 379,202.42 is: 523,165.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,289.78 : 800,594.60 = 379,202.42 : x
  2. Step 2: Convert to fraction form
    580,289.78/800,594.60 = 379,202.42/x
  3. Step 3: Cross multiply
    580,289.78x = 800,594.60 × 379,202.42
  4. Step 4: Simplify right side
    580,289.78x = 303,587,409,758.93
  5. Step 5: Solve for x
    x = 303,587,409,758.93/580,289.78
  6. Step 6: Final answer
    x = 523,165.18

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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.