Home / 925,851.91-1,388,489.58-326,672.69

Finding the Fourth Proportional to 925,851.91, 1,388,489.58 and 326,672.69

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Solution

The fourth proportional to 925,851.91, 1,388,489.58 and 326,672.69 is: 489,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,851.91 : 1,388,489.58 = 326,672.69 : x
  2. Step 2: Convert to fraction form
    925,851.91/1,388,489.58 = 326,672.69/x
  3. Step 3: Cross multiply
    925,851.91x = 1,388,489.58 × 326,672.69
  4. Step 4: Simplify right side
    925,851.91x = 453,581,620,418.15
  5. Step 5: Solve for x
    x = 453,581,620,418.15/925,851.91
  6. Step 6: Final answer
    x = 489,907.31

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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.