Home / 729,039.20-1,093,558.80-551,892.20

Finding the Fourth Proportional to 729,039.20, 1,093,558.80 and 551,892.20

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Solution

The fourth proportional to 729,039.20, 1,093,558.80 and 551,892.20 is: 827,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,039.20 : 1,093,558.80 = 551,892.20 : x
  2. Step 2: Convert to fraction form
    729,039.20/1,093,558.80 = 551,892.20/x
  3. Step 3: Cross multiply
    729,039.20x = 1,093,558.80 × 551,892.20
  4. Step 4: Simplify right side
    729,039.20x = 603,526,571,961.36
  5. Step 5: Solve for x
    x = 603,526,571,961.36/729,039.20
  6. Step 6: Final answer
    x = 827,838.30

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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.