Home / 725,195.28-1,087,419.08-325,493.44

Finding the Fourth Proportional to 725,195.28, 1,087,419.08 and 325,493.44

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Solution

The fourth proportional to 725,195.28, 1,087,419.08 and 325,493.44 is: 488,072.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,195.28 : 1,087,419.08 = 325,493.44 : x
  2. Step 2: Convert to fraction form
    725,195.28/1,087,419.08 = 325,493.44/x
  3. Step 3: Cross multiply
    725,195.28x = 1,087,419.08 × 325,493.44
  4. Step 4: Simplify right side
    725,195.28x = 353,947,777,070.84
  5. Step 5: Solve for x
    x = 353,947,777,070.84/725,195.28
  6. Step 6: Final answer
    x = 488,072.37

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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.