Home / 711,512.52-1,067,262.96-290,493.14

Finding the Fourth Proportional to 711,512.52, 1,067,262.96 and 290,493.14

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Solution

The fourth proportional to 711,512.52, 1,067,262.96 and 290,493.14 is: 435,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,512.52 : 1,067,262.96 = 290,493.14 : x
  2. Step 2: Convert to fraction form
    711,512.52/1,067,262.96 = 290,493.14/x
  3. Step 3: Cross multiply
    711,512.52x = 1,067,262.96 × 290,493.14
  4. Step 4: Simplify right side
    711,512.52x = 310,032,568,456.09
  5. Step 5: Solve for x
    x = 310,032,568,456.09/711,512.52
  6. Step 6: Final answer
    x = 435,737.33

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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.