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Finding the Fourth Proportional to 703,067.26, 970,228 and 380,770

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Solution

The fourth proportional to 703,067.26, 970,228 and 380,770 is: 525,459.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,067.26 : 970,228 = 380,770 : x
  2. Step 2: Convert to fraction form
    703,067.26/970,228 = 380,770/x
  3. Step 3: Cross multiply
    703,067.26x = 970,228 × 380,770
  4. Step 4: Simplify right side
    703,067.26x = 369,433,715,560
  5. Step 5: Solve for x
    x = 369,433,715,560/703,067.26
  6. Step 6: Final answer
    x = 525,459.99

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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.