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Finding the Fourth Proportional to 998,724.52, 1,497,775.74 and 333,721

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Solution

The fourth proportional to 998,724.52, 1,497,775.74 and 333,721 is: 500,477.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,724.52 : 1,497,775.74 = 333,721 : x
  2. Step 2: Convert to fraction form
    998,724.52/1,497,775.74 = 333,721/x
  3. Step 3: Cross multiply
    998,724.52x = 1,497,775.74 × 333,721
  4. Step 4: Simplify right side
    998,724.52x = 499,839,217,728.54
  5. Step 5: Solve for x
    x = 499,839,217,728.54/998,724.52
  6. Step 6: Final answer
    x = 500,477.57

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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.