Home / 751,677.86-1,127,704.95-219,198.95

Finding the Fourth Proportional to 751,677.86, 1,127,704.95 and 219,198.95

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Solution

The fourth proportional to 751,677.86, 1,127,704.95 and 219,198.95 is: 328,853.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,677.86 : 1,127,704.95 = 219,198.95 : x
  2. Step 2: Convert to fraction form
    751,677.86/1,127,704.95 = 219,198.95/x
  3. Step 3: Cross multiply
    751,677.86x = 1,127,704.95 × 219,198.95
  4. Step 4: Simplify right side
    751,677.86x = 247,191,740,949.80
  5. Step 5: Solve for x
    x = 247,191,740,949.80/751,677.86
  6. Step 6: Final answer
    x = 328,853.29

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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.