Home / 820,459.26-1,230,691.82-251,840.43

Finding the Fourth Proportional to 820,459.26, 1,230,691.82 and 251,840.43

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Solution

The fourth proportional to 820,459.26, 1,230,691.82 and 251,840.43 is: 377,761.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,459.26 : 1,230,691.82 = 251,840.43 : x
  2. Step 2: Convert to fraction form
    820,459.26/1,230,691.82 = 251,840.43/x
  3. Step 3: Cross multiply
    820,459.26x = 1,230,691.82 × 251,840.43
  4. Step 4: Simplify right side
    820,459.26x = 309,937,955,887.08
  5. Step 5: Solve for x
    x = 309,937,955,887.08/820,459.26
  6. Step 6: Final answer
    x = 377,761.54

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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.