Home / 682,131.20-1,023,187.20-308,153.60

Finding the Fourth Proportional to 682,131.20, 1,023,187.20 and 308,153.60

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Solution

The fourth proportional to 682,131.20, 1,023,187.20 and 308,153.60 is: 462,226.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,131.20 : 1,023,187.20 = 308,153.60 : x
  2. Step 2: Convert to fraction form
    682,131.20/1,023,187.20 = 308,153.60/x
  3. Step 3: Cross multiply
    682,131.20x = 1,023,187.20 × 308,153.60
  4. Step 4: Simplify right side
    682,131.20x = 315,298,819,153.92
  5. Step 5: Solve for x
    x = 315,298,819,153.92/682,131.20
  6. Step 6: Final answer
    x = 462,226.06

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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.