Home / 831,625.60-1,247,467.20-263,012.80

Finding the Fourth Proportional to 831,625.60, 1,247,467.20 and 263,012.80

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Solution

The fourth proportional to 831,625.60, 1,247,467.20 and 263,012.80 is: 394,528.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,625.60 : 1,247,467.20 = 263,012.80 : x
  2. Step 2: Convert to fraction form
    831,625.60/1,247,467.20 = 263,012.80/x
  3. Step 3: Cross multiply
    831,625.60x = 1,247,467.20 × 263,012.80
  4. Step 4: Simplify right side
    831,625.60x = 328,099,841,180.16
  5. Step 5: Solve for x
    x = 328,099,841,180.16/831,625.60
  6. Step 6: Final answer
    x = 394,528.31

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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.