Home / 725,538.20-1,087,788.90-325,851.80

Finding the Fourth Proportional to 725,538.20, 1,087,788.90 and 325,851.80

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Solution

The fourth proportional to 725,538.20, 1,087,788.90 and 325,851.80 is: 488,544.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,538.20 : 1,087,788.90 = 325,851.80 : x
  2. Step 2: Convert to fraction form
    725,538.20/1,087,788.90 = 325,851.80/x
  3. Step 3: Cross multiply
    725,538.20x = 1,087,788.90 × 325,851.80
  4. Step 4: Simplify right side
    725,538.20x = 354,457,971,085.02
  5. Step 5: Solve for x
    x = 354,457,971,085.02/725,538.20
  6. Step 6: Final answer
    x = 488,544.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.