Home / 751,704.63-1,127,722.80-219,267.33

Finding the Fourth Proportional to 751,704.63, 1,127,722.80 and 219,267.33

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Solution

The fourth proportional to 751,704.63, 1,127,722.80 and 219,267.33 is: 328,949.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,704.63 : 1,127,722.80 = 219,267.33 : x
  2. Step 2: Convert to fraction form
    751,704.63/1,127,722.80 = 219,267.33/x
  3. Step 3: Cross multiply
    751,704.63x = 1,127,722.80 × 219,267.33
  4. Step 4: Simplify right side
    751,704.63x = 247,272,767,336.12
  5. Step 5: Solve for x
    x = 247,272,767,336.12/751,704.63
  6. Step 6: Final answer
    x = 328,949.37

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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.