Home / 725,192.91-1,087,481.82-345,674.60

Finding the Fourth Proportional to 725,192.91, 1,087,481.82 and 345,674.60

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Solution

The fourth proportional to 725,192.91, 1,087,481.82 and 345,674.60 is: 518,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,192.91 : 1,087,481.82 = 345,674.60 : x
  2. Step 2: Convert to fraction form
    725,192.91/1,087,481.82 = 345,674.60/x
  3. Step 3: Cross multiply
    725,192.91x = 1,087,481.82 × 345,674.60
  4. Step 4: Simplify right side
    725,192.91x = 375,914,838,688.69
  5. Step 5: Solve for x
    x = 375,914,838,688.69/725,192.91
  6. Step 6: Final answer
    x = 518,365.30

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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.