Home / 494,463.06-682,372.44-279,635.25

Finding the Fourth Proportional to 494,463.06, 682,372.44 and 279,635.25

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Solution

The fourth proportional to 494,463.06, 682,372.44 and 279,635.25 is: 385,904.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,463.06 : 682,372.44 = 279,635.25 : x
  2. Step 2: Convert to fraction form
    494,463.06/682,372.44 = 279,635.25/x
  3. Step 3: Cross multiply
    494,463.06x = 682,372.44 × 279,635.25
  4. Step 4: Simplify right side
    494,463.06x = 190,815,387,852.51
  5. Step 5: Solve for x
    x = 190,815,387,852.51/494,463.06
  6. Step 6: Final answer
    x = 385,904.23

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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.