Home / 754,293.92-1,131,168.72-221,672.48

Finding the Fourth Proportional to 754,293.92, 1,131,168.72 and 221,672.48

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Solution

The fourth proportional to 754,293.92, 1,131,168.72 and 221,672.48 is: 332,428.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,293.92 : 1,131,168.72 = 221,672.48 : x
  2. Step 2: Convert to fraction form
    754,293.92/1,131,168.72 = 221,672.48/x
  3. Step 3: Cross multiply
    754,293.92x = 1,131,168.72 × 221,672.48
  4. Step 4: Simplify right side
    754,293.92x = 250,748,975,460.83
  5. Step 5: Solve for x
    x = 250,748,975,460.83/754,293.92
  6. Step 6: Final answer
    x = 332,428.74

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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.