Home / 725,843.72-1,088,695.18-220,409.07

Finding the Fourth Proportional to 725,843.72, 1,088,695.18 and 220,409.07

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Solution

The fourth proportional to 725,843.72, 1,088,695.18 and 220,409.07 is: 330,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,843.72 : 1,088,695.18 = 220,409.07 : x
  2. Step 2: Convert to fraction form
    725,843.72/1,088,695.18 = 220,409.07/x
  3. Step 3: Cross multiply
    725,843.72x = 1,088,695.18 × 220,409.07
  4. Step 4: Simplify right side
    725,843.72x = 239,958,292,137.28
  5. Step 5: Solve for x
    x = 239,958,292,137.28/725,843.72
  6. Step 6: Final answer
    x = 330,592.23

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1.5x scale

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.