Home / 852,880.22-1,279,315.14-213,180.75

Finding the Fourth Proportional to 852,880.22, 1,279,315.14 and 213,180.75

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Solution

The fourth proportional to 852,880.22, 1,279,315.14 and 213,180.75 is: 319,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,880.22 : 1,279,315.14 = 213,180.75 : x
  2. Step 2: Convert to fraction form
    852,880.22/1,279,315.14 = 213,180.75/x
  3. Step 3: Cross multiply
    852,880.22x = 1,279,315.14 × 213,180.75
  4. Step 4: Simplify right side
    852,880.22x = 272,725,361,031.56
  5. Step 5: Solve for x
    x = 272,725,361,031.56/852,880.22
  6. Step 6: Final answer
    x = 319,769.83

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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.