Home / 501,291.33-691,787.40-271,849.05

Finding the Fourth Proportional to 501,291.33, 691,787.40 and 271,849.05

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Solution

The fourth proportional to 501,291.33, 691,787.40 and 271,849.05 is: 375,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,291.33 : 691,787.40 = 271,849.05 : x
  2. Step 2: Convert to fraction form
    501,291.33/691,787.40 = 271,849.05/x
  3. Step 3: Cross multiply
    501,291.33x = 691,787.40 × 271,849.05
  4. Step 4: Simplify right side
    501,291.33x = 188,061,747,491.97
  5. Step 5: Solve for x
    x = 188,061,747,491.97/501,291.33
  6. Step 6: Final answer
    x = 375,154.60

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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.