Home / 865,148.58-1,297,754.03-325,355.38

Finding the Fourth Proportional to 865,148.58, 1,297,754.03 and 325,355.38

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Solution

The fourth proportional to 865,148.58, 1,297,754.03 and 325,355.38 is: 488,044.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,148.58 : 1,297,754.03 = 325,355.38 : x
  2. Step 2: Convert to fraction form
    865,148.58/1,297,754.03 = 325,355.38/x
  3. Step 3: Cross multiply
    865,148.58x = 1,297,754.03 × 325,355.38
  4. Step 4: Simplify right side
    865,148.58x = 422,231,253,146.19
  5. Step 5: Solve for x
    x = 422,231,253,146.19/865,148.58
  6. Step 6: Final answer
    x = 488,044.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.