Home / 727,972.18-1,092,113.79-254,672.98

Finding the Fourth Proportional to 727,972.18, 1,092,113.79 and 254,672.98

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Solution

The fourth proportional to 727,972.18, 1,092,113.79 and 254,672.98 is: 382,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,972.18 : 1,092,113.79 = 254,672.98 : x
  2. Step 2: Convert to fraction form
    727,972.18/1,092,113.79 = 254,672.98/x
  3. Step 3: Cross multiply
    727,972.18x = 1,092,113.79 × 254,672.98
  4. Step 4: Simplify right side
    727,972.18x = 278,131,873,398.39
  5. Step 5: Solve for x
    x = 278,131,873,398.39/727,972.18
  6. Step 6: Final answer
    x = 382,063.88

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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.