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Finding the Fourth Proportional to 605,249, 835,249.38 and 336,982.76

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Solution

The fourth proportional to 605,249, 835,249.38 and 336,982.76 is: 465,039.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,249 : 835,249.38 = 336,982.76 : x
  2. Step 2: Convert to fraction form
    605,249/835,249.38 = 336,982.76/x
  3. Step 3: Cross multiply
    605,249x = 835,249.38 × 336,982.76
  4. Step 4: Simplify right side
    605,249x = 281,464,641,360.69
  5. Step 5: Solve for x
    x = 281,464,641,360.69/605,249
  6. Step 6: Final answer
    x = 465,039.42

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1.5x scale

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.