Home / 911,109.27-1,366,205.13-303,682.44

Finding the Fourth Proportional to 911,109.27, 1,366,205.13 and 303,682.44

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Solution

The fourth proportional to 911,109.27, 1,366,205.13 and 303,682.44 is: 455,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,109.27 : 1,366,205.13 = 303,682.44 : x
  2. Step 2: Convert to fraction form
    911,109.27/1,366,205.13 = 303,682.44/x
  3. Step 3: Cross multiply
    911,109.27x = 1,366,205.13 × 303,682.44
  4. Step 4: Simplify right side
    911,109.27x = 414,892,507,418.92
  5. Step 5: Solve for x
    x = 414,892,507,418.92/911,109.27
  6. Step 6: Final answer
    x = 455,370.75

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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.