Home / 687,694.46-1,031,428.49-182,286.86

Finding the Fourth Proportional to 687,694.46, 1,031,428.49 and 182,286.86

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Solution

The fourth proportional to 687,694.46, 1,031,428.49 and 182,286.86 is: 273,400.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,694.46 : 1,031,428.49 = 182,286.86 : x
  2. Step 2: Convert to fraction form
    687,694.46/1,031,428.49 = 182,286.86/x
  3. Step 3: Cross multiply
    687,694.46x = 1,031,428.49 × 182,286.86
  4. Step 4: Simplify right side
    687,694.46x = 188,015,854,688.07
  5. Step 5: Solve for x
    x = 188,015,854,688.07/687,694.46
  6. Step 6: Final answer
    x = 273,400.28

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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.