Home / 725,689.63-1,088,537.92-220,255.00

Finding the Fourth Proportional to 725,689.63, 1,088,537.92 and 220,255.00

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Solution

The fourth proportional to 725,689.63, 1,088,537.92 and 220,255.00 is: 330,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,689.63 : 1,088,537.92 = 220,255.00 : x
  2. Step 2: Convert to fraction form
    725,689.63/1,088,537.92 = 220,255.00/x
  3. Step 3: Cross multiply
    725,689.63x = 1,088,537.92 × 220,255.00
  4. Step 4: Simplify right side
    725,689.63x = 239,755,917,536.55
  5. Step 5: Solve for x
    x = 239,755,917,536.55/725,689.63
  6. Step 6: Final answer
    x = 330,383.55

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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.