Home / 687,738.28-1,031,558.46-182,288.02

Finding the Fourth Proportional to 687,738.28, 1,031,558.46 and 182,288.02

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Solution

The fourth proportional to 687,738.28, 1,031,558.46 and 182,288.02 is: 273,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,738.28 : 1,031,558.46 = 182,288.02 : x
  2. Step 2: Convert to fraction form
    687,738.28/1,031,558.46 = 182,288.02/x
  3. Step 3: Cross multiply
    687,738.28x = 1,031,558.46 × 182,288.02
  4. Step 4: Simplify right side
    687,738.28x = 188,040,749,187.65
  5. Step 5: Solve for x
    x = 188,040,749,187.65/687,738.28
  6. Step 6: Final answer
    x = 273,419.05

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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.