Home / 501,016.50-691,411.68-271,581.30

Finding the Fourth Proportional to 501,016.50, 691,411.68 and 271,581.30

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Solution

The fourth proportional to 501,016.50, 691,411.68 and 271,581.30 is: 374,787.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,016.50 : 691,411.68 = 271,581.30 : x
  2. Step 2: Convert to fraction form
    501,016.50/691,411.68 = 271,581.30/x
  3. Step 3: Cross multiply
    501,016.50x = 691,411.68 × 271,581.30
  4. Step 4: Simplify right side
    501,016.50x = 187,774,482,889.58
  5. Step 5: Solve for x
    x = 187,774,482,889.58/501,016.50
  6. Step 6: Final answer
    x = 374,787.02

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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.