Home / 501,425.38-691,962.99-271,982.09

Finding the Fourth Proportional to 501,425.38, 691,962.99 and 271,982.09

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Solution

The fourth proportional to 501,425.38, 691,962.99 and 271,982.09 is: 375,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,425.38 : 691,962.99 = 271,982.09 : x
  2. Step 2: Convert to fraction form
    501,425.38/691,962.99 = 271,982.09/x
  3. Step 3: Cross multiply
    501,425.38x = 691,962.99 × 271,982.09
  4. Step 4: Simplify right side
    501,425.38x = 188,201,541,952.76
  5. Step 5: Solve for x
    x = 188,201,541,952.76/501,425.38
  6. Step 6: Final answer
    x = 375,333.10

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1.5x scale

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.