Home / 725,048.82-1,087,310.79-345,954.24

Finding the Fourth Proportional to 725,048.82, 1,087,310.79 and 345,954.24

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Solution

The fourth proportional to 725,048.82, 1,087,310.79 and 345,954.24 is: 518,806.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,048.82 : 1,087,310.79 = 345,954.24 : x
  2. Step 2: Convert to fraction form
    725,048.82/1,087,310.79 = 345,954.24/x
  3. Step 3: Cross multiply
    725,048.82x = 1,087,310.79 × 345,954.24
  4. Step 4: Simplify right side
    725,048.82x = 376,159,777,998.25
  5. Step 5: Solve for x
    x = 376,159,777,998.25/725,048.82
  6. Step 6: Final answer
    x = 518,806.14

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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.