Home / 777,099.06-1,165,714.20-216,133.56

Finding the Fourth Proportional to 777,099.06, 1,165,714.20 and 216,133.56

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Solution

The fourth proportional to 777,099.06, 1,165,714.20 and 216,133.56 is: 324,218.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,099.06 : 1,165,714.20 = 216,133.56 : x
  2. Step 2: Convert to fraction form
    777,099.06/1,165,714.20 = 216,133.56/x
  3. Step 3: Cross multiply
    777,099.06x = 1,165,714.20 × 216,133.56
  4. Step 4: Simplify right side
    777,099.06x = 251,949,959,988.55
  5. Step 5: Solve for x
    x = 251,949,959,988.55/777,099.06
  6. Step 6: Final answer
    x = 324,218.59

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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.