Home / 881,089.25-1,321,629.55-250,004.21

Finding the Fourth Proportional to 881,089.25, 1,321,629.55 and 250,004.21

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Solution

The fourth proportional to 881,089.25, 1,321,629.55 and 250,004.21 is: 375,005.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,089.25 : 1,321,629.55 = 250,004.21 : x
  2. Step 2: Convert to fraction form
    881,089.25/1,321,629.55 = 250,004.21/x
  3. Step 3: Cross multiply
    881,089.25x = 1,321,629.55 × 250,004.21
  4. Step 4: Simplify right side
    881,089.25x = 330,412,951,560.41
  5. Step 5: Solve for x
    x = 330,412,951,560.41/881,089.25
  6. Step 6: Final answer
    x = 375,005.09

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Half scale
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Double scale
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Similar ratio
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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.