Home / 751,692.56-1,127,704.68-219,255.26

Finding the Fourth Proportional to 751,692.56, 1,127,704.68 and 219,255.26

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Solution

The fourth proportional to 751,692.56, 1,127,704.68 and 219,255.26 is: 328,931.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,692.56 : 1,127,704.68 = 219,255.26 : x
  2. Step 2: Convert to fraction form
    751,692.56/1,127,704.68 = 219,255.26/x
  3. Step 3: Cross multiply
    751,692.56x = 1,127,704.68 × 219,255.26
  4. Step 4: Simplify right side
    751,692.56x = 247,255,177,178.09
  5. Step 5: Solve for x
    x = 247,255,177,178.09/751,692.56
  6. Step 6: Final answer
    x = 328,931.26

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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.