Home / 687,737.28-1,031,556.96-182,287.02

Finding the Fourth Proportional to 687,737.28, 1,031,556.96 and 182,287.02

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Solution

The fourth proportional to 687,737.28, 1,031,556.96 and 182,287.02 is: 273,417.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,737.28 : 1,031,556.96 = 182,287.02 : x
  2. Step 2: Convert to fraction form
    687,737.28/1,031,556.96 = 182,287.02/x
  3. Step 3: Cross multiply
    687,737.28x = 1,031,556.96 × 182,287.02
  4. Step 4: Simplify right side
    687,737.28x = 188,039,444,198.66
  5. Step 5: Solve for x
    x = 188,039,444,198.66/687,737.28
  6. Step 6: Final answer
    x = 273,417.55

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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.