Home / 722,998.66-1,084,512.39-508,890.82

Finding the Fourth Proportional to 722,998.66, 1,084,512.39 and 508,890.82

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Solution

The fourth proportional to 722,998.66, 1,084,512.39 and 508,890.82 is: 763,346.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,998.66 : 1,084,512.39 = 508,890.82 : x
  2. Step 2: Convert to fraction form
    722,998.66/1,084,512.39 = 508,890.82/x
  3. Step 3: Cross multiply
    722,998.66x = 1,084,512.39 × 508,890.82
  4. Step 4: Simplify right side
    722,998.66x = 551,898,399,447.26
  5. Step 5: Solve for x
    x = 551,898,399,447.26/722,998.66
  6. Step 6: Final answer
    x = 763,346.37

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1.5x scale

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.