Home / 808,571.98-1,213,646.74-667,850.84

Finding the Fourth Proportional to 808,571.98, 1,213,646.74 and 667,850.84

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Solution

The fourth proportional to 808,571.98, 1,213,646.74 and 667,850.84 is: 1,002,427.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,571.98 : 1,213,646.74 = 667,850.84 : x
  2. Step 2: Convert to fraction form
    808,571.98/1,213,646.74 = 667,850.84/x
  3. Step 3: Cross multiply
    808,571.98x = 1,213,646.74 × 667,850.84
  4. Step 4: Simplify right side
    808,571.98x = 810,534,994,772.26
  5. Step 5: Solve for x
    x = 810,534,994,772.26/808,571.98
  6. Step 6: Final answer
    x = 1,002,427.76

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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.