Home / 725,842.22-1,088,692.93-220,407.57

Finding the Fourth Proportional to 725,842.22, 1,088,692.93 and 220,407.57

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Solution

The fourth proportional to 725,842.22, 1,088,692.93 and 220,407.57 is: 330,589.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,842.22 : 1,088,692.93 = 220,407.57 : x
  2. Step 2: Convert to fraction form
    725,842.22/1,088,692.93 = 220,407.57/x
  3. Step 3: Cross multiply
    725,842.22x = 1,088,692.93 × 220,407.57
  4. Step 4: Simplify right side
    725,842.22x = 239,956,161,302.12
  5. Step 5: Solve for x
    x = 239,956,161,302.12/725,842.22
  6. Step 6: Final answer
    x = 330,589.98

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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.