Home / 764,438.28-1,146,657.64-224,694.66

Finding the Fourth Proportional to 764,438.28, 1,146,657.64 and 224,694.66

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Solution

The fourth proportional to 764,438.28, 1,146,657.64 and 224,694.66 is: 337,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,438.28 : 1,146,657.64 = 224,694.66 : x
  2. Step 2: Convert to fraction form
    764,438.28/1,146,657.64 = 224,694.66/x
  3. Step 3: Cross multiply
    764,438.28x = 1,146,657.64 × 224,694.66
  4. Step 4: Simplify right side
    764,438.28x = 257,647,848,556.20
  5. Step 5: Solve for x
    x = 257,647,848,556.20/764,438.28
  6. Step 6: Final answer
    x = 337,042.05

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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.