Home / 501,016.38-691,384.08-271,568.74

Finding the Fourth Proportional to 501,016.38, 691,384.08 and 271,568.74

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Solution

The fourth proportional to 501,016.38, 691,384.08 and 271,568.74 is: 374,754.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,016.38 : 691,384.08 = 271,568.74 : x
  2. Step 2: Convert to fraction form
    501,016.38/691,384.08 = 271,568.74/x
  3. Step 3: Cross multiply
    501,016.38x = 691,384.08 × 271,568.74
  4. Step 4: Simplify right side
    501,016.38x = 187,758,303,461.66
  5. Step 5: Solve for x
    x = 187,758,303,461.66/501,016.38
  6. Step 6: Final answer
    x = 374,754.82

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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.