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Finding the Fourth Proportional to 580,149.97, 800,657.61 and 338,510.39

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Solution

The fourth proportional to 580,149.97, 800,657.61 and 338,510.39 is: 467,173.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,149.97 : 800,657.61 = 338,510.39 : x
  2. Step 2: Convert to fraction form
    580,149.97/800,657.61 = 338,510.39/x
  3. Step 3: Cross multiply
    580,149.97x = 800,657.61 × 338,510.39
  4. Step 4: Simplify right side
    580,149.97x = 271,030,916,660.56
  5. Step 5: Solve for x
    x = 271,030,916,660.56/580,149.97
  6. Step 6: Final answer
    x = 467,173.89

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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.