Home / 831,567.60-1,247,380.20-262,954.80

Finding the Fourth Proportional to 831,567.60, 1,247,380.20 and 262,954.80

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Solution

The fourth proportional to 831,567.60, 1,247,380.20 and 262,954.80 is: 394,441.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,567.60 : 1,247,380.20 = 262,954.80 : x
  2. Step 2: Convert to fraction form
    831,567.60/1,247,380.20 = 262,954.80/x
  3. Step 3: Cross multiply
    831,567.60x = 1,247,380.20 × 262,954.80
  4. Step 4: Simplify right side
    831,567.60x = 328,004,611,014.96
  5. Step 5: Solve for x
    x = 328,004,611,014.96/831,567.60
  6. Step 6: Final answer
    x = 394,441.31

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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.