Home / 725,233.80-1,088,081.10-325,720.20

Finding the Fourth Proportional to 725,233.80, 1,088,081.10 and 325,720.20

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Solution

The fourth proportional to 725,233.80, 1,088,081.10 and 325,720.20 is: 488,683.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,233.80 : 1,088,081.10 = 325,720.20 : x
  2. Step 2: Convert to fraction form
    725,233.80/1,088,081.10 = 325,720.20/x
  3. Step 3: Cross multiply
    725,233.80x = 1,088,081.10 × 325,720.20
  4. Step 4: Simplify right side
    725,233.80x = 354,409,993,508.22
  5. Step 5: Solve for x
    x = 354,409,993,508.22/725,233.80
  6. Step 6: Final answer
    x = 488,683.78

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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.