Home / 831,906.97-1,247,998.35-292,023.21

Finding the Fourth Proportional to 831,906.97, 1,247,998.35 and 292,023.21

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Solution

The fourth proportional to 831,906.97, 1,247,998.35 and 292,023.21 is: 438,083.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,906.97 : 1,247,998.35 = 292,023.21 : x
  2. Step 2: Convert to fraction form
    831,906.97/1,247,998.35 = 292,023.21/x
  3. Step 3: Cross multiply
    831,906.97x = 1,247,998.35 × 292,023.21
  4. Step 4: Simplify right side
    831,906.97x = 364,444,484,241.70
  5. Step 5: Solve for x
    x = 364,444,484,241.70/831,906.97
  6. Step 6: Final answer
    x = 438,083.22

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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.