Home / 775,460.63-1,163,274.38-326,227.20

Finding the Fourth Proportional to 775,460.63, 1,163,274.38 and 326,227.20

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Solution

The fourth proportional to 775,460.63, 1,163,274.38 and 326,227.20 is: 489,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,460.63 : 1,163,274.38 = 326,227.20 : x
  2. Step 2: Convert to fraction form
    775,460.63/1,163,274.38 = 326,227.20/x
  3. Step 3: Cross multiply
    775,460.63x = 1,163,274.38 × 326,227.20
  4. Step 4: Simplify right side
    775,460.63x = 379,491,742,188
  5. Step 5: Solve for x
    x = 379,491,742,188/775,460.63
  6. Step 6: Final answer
    x = 489,375.90

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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.