Home / 725,049.82-1,087,312.29-345,955.24

Finding the Fourth Proportional to 725,049.82, 1,087,312.29 and 345,955.24

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Solution

The fourth proportional to 725,049.82, 1,087,312.29 and 345,955.24 is: 518,807.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,049.82 : 1,087,312.29 = 345,955.24 : x
  2. Step 2: Convert to fraction form
    725,049.82/1,087,312.29 = 345,955.24/x
  3. Step 3: Cross multiply
    725,049.82x = 1,087,312.29 × 345,955.24
  4. Step 4: Simplify right side
    725,049.82x = 376,161,384,241.90
  5. Step 5: Solve for x
    x = 376,161,384,241.90/725,049.82
  6. Step 6: Final answer
    x = 518,807.64

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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.