Home / 699,629.20-1,048,234.20-324,883.60

Finding the Fourth Proportional to 699,629.20, 1,048,234.20 and 324,883.60

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Solution

The fourth proportional to 699,629.20, 1,048,234.20 and 324,883.60 is: 486,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,629.20 : 1,048,234.20 = 324,883.60 : x
  2. Step 2: Convert to fraction form
    699,629.20/1,048,234.20 = 324,883.60/x
  3. Step 3: Cross multiply
    699,629.20x = 1,048,234.20 × 324,883.60
  4. Step 4: Simplify right side
    699,629.20x = 340,554,100,539.12
  5. Step 5: Solve for x
    x = 340,554,100,539.12/699,629.20
  6. Step 6: Final answer
    x = 486,763.70

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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.