Home / 687,823.92-1,031,781.46-182,377.86

Finding the Fourth Proportional to 687,823.92, 1,031,781.46 and 182,377.86

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Solution

The fourth proportional to 687,823.92, 1,031,781.46 and 182,377.86 is: 273,578.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,823.92 : 1,031,781.46 = 182,377.86 : x
  2. Step 2: Convert to fraction form
    687,823.92/1,031,781.46 = 182,377.86/x
  3. Step 3: Cross multiply
    687,823.92x = 1,031,781.46 × 182,377.86
  4. Step 4: Simplify right side
    687,823.92x = 188,174,094,662.48
  5. Step 5: Solve for x
    x = 188,174,094,662.48/687,823.92
  6. Step 6: Final answer
    x = 273,578.88

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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.