Home / 722,999.00-1,085,148.96-386,327.44

Finding the Fourth Proportional to 722,999.00, 1,085,148.96 and 386,327.44

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Solution

The fourth proportional to 722,999.00, 1,085,148.96 and 386,327.44 is: 579,838.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,999.00 : 1,085,148.96 = 386,327.44 : x
  2. Step 2: Convert to fraction form
    722,999.00/1,085,148.96 = 386,327.44/x
  3. Step 3: Cross multiply
    722,999.00x = 1,085,148.96 × 386,327.44
  4. Step 4: Simplify right side
    722,999.00x = 419,222,817,781.58
  5. Step 5: Solve for x
    x = 419,222,817,781.58/722,999.00
  6. Step 6: Final answer
    x = 579,838.72

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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.