Home / 809,571.21-1,213,389.14-376,703.97

Finding the Fourth Proportional to 809,571.21, 1,213,389.14 and 376,703.97

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Solution

The fourth proportional to 809,571.21, 1,213,389.14 and 376,703.97 is: 564,605.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,571.21 : 1,213,389.14 = 376,703.97 : x
  2. Step 2: Convert to fraction form
    809,571.21/1,213,389.14 = 376,703.97/x
  3. Step 3: Cross multiply
    809,571.21x = 1,213,389.14 × 376,703.97
  4. Step 4: Simplify right side
    809,571.21x = 457,088,504,309.37
  5. Step 5: Solve for x
    x = 457,088,504,309.37/809,571.21
  6. Step 6: Final answer
    x = 564,605.68

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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.