Home / 699,657.20-1,048,276.20-324,911.60

Finding the Fourth Proportional to 699,657.20, 1,048,276.20 and 324,911.60

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Solution

The fourth proportional to 699,657.20, 1,048,276.20 and 324,911.60 is: 486,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,657.20 : 1,048,276.20 = 324,911.60 : x
  2. Step 2: Convert to fraction form
    699,657.20/1,048,276.20 = 324,911.60/x
  3. Step 3: Cross multiply
    699,657.20x = 1,048,276.20 × 324,911.60
  4. Step 4: Simplify right side
    699,657.20x = 340,597,097,383.92
  5. Step 5: Solve for x
    x = 340,597,097,383.92/699,657.20
  6. Step 6: Final answer
    x = 486,805.68

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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.