Home / 687,945.97-1,031,964.45-182,499.85

Finding the Fourth Proportional to 687,945.97, 1,031,964.45 and 182,499.85

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Solution

The fourth proportional to 687,945.97, 1,031,964.45 and 182,499.85 is: 273,761.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,945.97 : 1,031,964.45 = 182,499.85 : x
  2. Step 2: Convert to fraction form
    687,945.97/1,031,964.45 = 182,499.85/x
  3. Step 3: Cross multiply
    687,945.97x = 1,031,964.45 × 182,499.85
  4. Step 4: Simplify right side
    687,945.97x = 188,333,357,330.33
  5. Step 5: Solve for x
    x = 188,333,357,330.33/687,945.97
  6. Step 6: Final answer
    x = 273,761.84

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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.