Home / 694,224.70-1,040,653.79-405,670.12

Finding the Fourth Proportional to 694,224.70, 1,040,653.79 and 405,670.12

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Solution

The fourth proportional to 694,224.70, 1,040,653.79 and 405,670.12 is: 608,105.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,224.70 : 1,040,653.79 = 405,670.12 : x
  2. Step 2: Convert to fraction form
    694,224.70/1,040,653.79 = 405,670.12/x
  3. Step 3: Cross multiply
    694,224.70x = 1,040,653.79 × 405,670.12
  4. Step 4: Simplify right side
    694,224.70x = 422,162,150,612.71
  5. Step 5: Solve for x
    x = 422,162,150,612.71/694,224.70
  6. Step 6: Final answer
    x = 608,105.92

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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.