Home / 764,886.83-1,147,402.23-225,143.43

Finding the Fourth Proportional to 764,886.83, 1,147,402.23 and 225,143.43

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Solution

The fourth proportional to 764,886.83, 1,147,402.23 and 225,143.43 is: 337,736.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,886.83 : 1,147,402.23 = 225,143.43 : x
  2. Step 2: Convert to fraction form
    764,886.83/1,147,402.23 = 225,143.43/x
  3. Step 3: Cross multiply
    764,886.83x = 1,147,402.23 × 225,143.43
  4. Step 4: Simplify right side
    764,886.83x = 258,330,073,651.85
  5. Step 5: Solve for x
    x = 258,330,073,651.85/764,886.83
  6. Step 6: Final answer
    x = 337,736.34

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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.