Home / 725,512.95-1,088,272.06-220,078.35

Finding the Fourth Proportional to 725,512.95, 1,088,272.06 and 220,078.35

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Solution

The fourth proportional to 725,512.95, 1,088,272.06 and 220,078.35 is: 330,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,512.95 : 1,088,272.06 = 220,078.35 : x
  2. Step 2: Convert to fraction form
    725,512.95/1,088,272.06 = 220,078.35/x
  3. Step 3: Cross multiply
    725,512.95x = 1,088,272.06 × 220,078.35
  4. Step 4: Simplify right side
    725,512.95x = 239,505,118,765.71
  5. Step 5: Solve for x
    x = 239,505,118,765.71/725,512.95
  6. Step 6: Final answer
    x = 330,118.32

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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.