Home / 729,006.19-1,093,398.39-279,938.56

Finding the Fourth Proportional to 729,006.19, 1,093,398.39 and 279,938.56

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Solution

The fourth proportional to 729,006.19, 1,093,398.39 and 279,938.56 is: 419,865.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,006.19 : 1,093,398.39 = 279,938.56 : x
  2. Step 2: Convert to fraction form
    729,006.19/1,093,398.39 = 279,938.56/x
  3. Step 3: Cross multiply
    729,006.19x = 1,093,398.39 × 279,938.56
  4. Step 4: Simplify right side
    729,006.19x = 306,084,370,802.92
  5. Step 5: Solve for x
    x = 306,084,370,802.92/729,006.19
  6. Step 6: Final answer
    x = 419,865.26

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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.