Home / 481,109.58-721,166.06-395,975.22

Finding the Fourth Proportional to 481,109.58, 721,166.06 and 395,975.22

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Solution

The fourth proportional to 481,109.58, 721,166.06 and 395,975.22 is: 593,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,109.58 : 721,166.06 = 395,975.22 : x
  2. Step 2: Convert to fraction form
    481,109.58/721,166.06 = 395,975.22/x
  3. Step 3: Cross multiply
    481,109.58x = 721,166.06 × 395,975.22
  4. Step 4: Simplify right side
    481,109.58x = 285,563,889,265.03
  5. Step 5: Solve for x
    x = 285,563,889,265.03/481,109.58
  6. Step 6: Final answer
    x = 593,552.70

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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.