Home / 1,003,845.60-1,505,448.72-329,770.44

Finding the Fourth Proportional to 1,003,845.60, 1,505,448.72 and 329,770.44

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Solution

The fourth proportional to 1,003,845.60, 1,505,448.72 and 329,770.44 is: 494,550.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,845.60 : 1,505,448.72 = 329,770.44 : x
  2. Step 2: Convert to fraction form
    1,003,845.60/1,505,448.72 = 329,770.44/x
  3. Step 3: Cross multiply
    1,003,845.60x = 1,505,448.72 × 329,770.44
  4. Step 4: Simplify right side
    1,003,845.60x = 496,452,486,791.84
  5. Step 5: Solve for x
    x = 496,452,486,791.84/1,003,845.60
  6. Step 6: Final answer
    x = 494,550.64

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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.