Home / 727,212.82-1,090,816.24-221,772.31

Finding the Fourth Proportional to 727,212.82, 1,090,816.24 and 221,772.31

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Solution

The fourth proportional to 727,212.82, 1,090,816.24 and 221,772.31 is: 332,657.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,212.82 : 1,090,816.24 = 221,772.31 : x
  2. Step 2: Convert to fraction form
    727,212.82/1,090,816.24 = 221,772.31/x
  3. Step 3: Cross multiply
    727,212.82x = 1,090,816.24 × 221,772.31
  4. Step 4: Simplify right side
    727,212.82x = 241,912,837,330.31
  5. Step 5: Solve for x
    x = 241,912,837,330.31/727,212.82
  6. Step 6: Final answer
    x = 332,657.55

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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.