Home / 811,967.26-1,218,067.59-251,045.50

Finding the Fourth Proportional to 811,967.26, 1,218,067.59 and 251,045.50

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Solution

The fourth proportional to 811,967.26, 1,218,067.59 and 251,045.50 is: 376,604.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,967.26 : 1,218,067.59 = 251,045.50 : x
  2. Step 2: Convert to fraction form
    811,967.26/1,218,067.59 = 251,045.50/x
  3. Step 3: Cross multiply
    811,967.26x = 1,218,067.59 × 251,045.50
  4. Step 4: Simplify right side
    811,967.26x = 305,790,387,165.35
  5. Step 5: Solve for x
    x = 305,790,387,165.35/811,967.26
  6. Step 6: Final answer
    x = 376,604.33

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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.