Home / 538,680.73-743,381.40-293,664.10

Finding the Fourth Proportional to 538,680.73, 743,381.40 and 293,664.10

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Solution

The fourth proportional to 538,680.73, 743,381.40 and 293,664.10 is: 405,257.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,680.73 : 743,381.40 = 293,664.10 : x
  2. Step 2: Convert to fraction form
    538,680.73/743,381.40 = 293,664.10/x
  3. Step 3: Cross multiply
    538,680.73x = 743,381.40 × 293,664.10
  4. Step 4: Simplify right side
    538,680.73x = 218,304,429,787.74
  5. Step 5: Solve for x
    x = 218,304,429,787.74/538,680.73
  6. Step 6: Final answer
    x = 405,257.54

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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.