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Finding the Fourth Proportional to 484,994.74, 726,249.94 and 404,833.38

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Solution

The fourth proportional to 484,994.74, 726,249.94 and 404,833.38 is: 606,213.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,994.74 : 726,249.94 = 404,833.38 : x
  2. Step 2: Convert to fraction form
    484,994.74/726,249.94 = 404,833.38/x
  3. Step 3: Cross multiply
    484,994.74x = 726,249.94 × 404,833.38
  4. Step 4: Simplify right side
    484,994.74x = 294,010,217,935.00
  5. Step 5: Solve for x
    x = 294,010,217,935.00/484,994.74
  6. Step 6: Final answer
    x = 606,213.21

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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.