Home / 699,651.20-1,048,267.20-324,905.60

Finding the Fourth Proportional to 699,651.20, 1,048,267.20 and 324,905.60

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Solution

The fourth proportional to 699,651.20, 1,048,267.20 and 324,905.60 is: 486,796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,651.20 : 1,048,267.20 = 324,905.60 : x
  2. Step 2: Convert to fraction form
    699,651.20/1,048,267.20 = 324,905.60/x
  3. Step 3: Cross multiply
    699,651.20x = 1,048,267.20 × 324,905.60
  4. Step 4: Simplify right side
    699,651.20x = 340,587,883,576.32
  5. Step 5: Solve for x
    x = 340,587,883,576.32/699,651.20
  6. Step 6: Final answer
    x = 486,796.68

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Double scale
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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.