Home / 725,476.21-1,088,216.93-220,041.56

Finding the Fourth Proportional to 725,476.21, 1,088,216.93 and 220,041.56

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Solution

The fourth proportional to 725,476.21, 1,088,216.93 and 220,041.56 is: 330,063.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,476.21 : 1,088,216.93 = 220,041.56 : x
  2. Step 2: Convert to fraction form
    725,476.21/1,088,216.93 = 220,041.56/x
  3. Step 3: Cross multiply
    725,476.21x = 1,088,216.93 × 220,041.56
  4. Step 4: Simplify right side
    725,476.21x = 239,452,954,166.26
  5. Step 5: Solve for x
    x = 239,452,954,166.26/725,476.21
  6. Step 6: Final answer
    x = 330,063.14

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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.