Home / 911,976.76-1,368,033.85-272,229.94

Finding the Fourth Proportional to 911,976.76, 1,368,033.85 and 272,229.94

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Solution

The fourth proportional to 911,976.76, 1,368,033.85 and 272,229.94 is: 408,365.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,976.76 : 1,368,033.85 = 272,229.94 : x
  2. Step 2: Convert to fraction form
    911,976.76/1,368,033.85 = 272,229.94/x
  3. Step 3: Cross multiply
    911,976.76x = 1,368,033.85 × 272,229.94
  4. Step 4: Simplify right side
    911,976.76x = 372,419,772,903.47
  5. Step 5: Solve for x
    x = 372,419,772,903.47/911,976.76
  6. Step 6: Final answer
    x = 408,365.42

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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.