Home / 777,714.20-1,166,427.30-216,632.60

Finding the Fourth Proportional to 777,714.20, 1,166,427.30 and 216,632.60

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Solution

The fourth proportional to 777,714.20, 1,166,427.30 and 216,632.60 is: 324,908.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,714.20 : 1,166,427.30 = 216,632.60 : x
  2. Step 2: Convert to fraction form
    777,714.20/1,166,427.30 = 216,632.60/x
  3. Step 3: Cross multiply
    777,714.20x = 1,166,427.30 × 216,632.60
  4. Step 4: Simplify right side
    777,714.20x = 252,686,178,709.98
  5. Step 5: Solve for x
    x = 252,686,178,709.98/777,714.20
  6. Step 6: Final answer
    x = 324,908.79

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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.