Home / 725,622.60-1,088,436.29-220,187.77

Finding the Fourth Proportional to 725,622.60, 1,088,436.29 and 220,187.77

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Solution

The fourth proportional to 725,622.60, 1,088,436.29 and 220,187.77 is: 330,282.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,622.60 : 1,088,436.29 = 220,187.77 : x
  2. Step 2: Convert to fraction form
    725,622.60/1,088,436.29 = 220,187.77/x
  3. Step 3: Cross multiply
    725,622.60x = 1,088,436.29 × 220,187.77
  4. Step 4: Simplify right side
    725,622.60x = 239,660,355,660.14
  5. Step 5: Solve for x
    x = 239,660,355,660.14/725,622.60
  6. Step 6: Final answer
    x = 330,282.37

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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.