Home / 775,954.02-1,164,215.34-326,787.96

Finding the Fourth Proportional to 775,954.02, 1,164,215.34 and 326,787.96

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Solution

The fourth proportional to 775,954.02, 1,164,215.34 and 326,787.96 is: 490,301.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,954.02 : 1,164,215.34 = 326,787.96 : x
  2. Step 2: Convert to fraction form
    775,954.02/1,164,215.34 = 326,787.96/x
  3. Step 3: Cross multiply
    775,954.02x = 1,164,215.34 × 326,787.96
  4. Step 4: Simplify right side
    775,954.02x = 380,451,555,959.31
  5. Step 5: Solve for x
    x = 380,451,555,959.31/775,954.02
  6. Step 6: Final answer
    x = 490,301.68

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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.