Home / 687,736.28-1,031,555.46-182,286.02

Finding the Fourth Proportional to 687,736.28, 1,031,555.46 and 182,286.02

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Solution

The fourth proportional to 687,736.28, 1,031,555.46 and 182,286.02 is: 273,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,736.28 : 1,031,555.46 = 182,286.02 : x
  2. Step 2: Convert to fraction form
    687,736.28/1,031,555.46 = 182,286.02/x
  3. Step 3: Cross multiply
    687,736.28x = 1,031,555.46 × 182,286.02
  4. Step 4: Simplify right side
    687,736.28x = 188,038,139,212.67
  5. Step 5: Solve for x
    x = 188,038,139,212.67/687,736.28
  6. Step 6: Final answer
    x = 273,416.05

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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.