Home / 392,942.88-588,528.14-275,140.13

Finding the Fourth Proportional to 392,942.88, 588,528.14 and 275,140.13

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Solution

The fourth proportional to 392,942.88, 588,528.14 and 275,140.13 is: 412,089.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,942.88 : 588,528.14 = 275,140.13 : x
  2. Step 2: Convert to fraction form
    392,942.88/588,528.14 = 275,140.13/x
  3. Step 3: Cross multiply
    392,942.88x = 588,528.14 × 275,140.13
  4. Step 4: Simplify right side
    392,942.88x = 161,927,704,629.92
  5. Step 5: Solve for x
    x = 161,927,704,629.92/392,942.88
  6. Step 6: Final answer
    x = 412,089.68

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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.