Home / 876,380.73-1,314,571.10-211,532.73

Finding the Fourth Proportional to 876,380.73, 1,314,571.10 and 211,532.73

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Solution

The fourth proportional to 876,380.73, 1,314,571.10 and 211,532.73 is: 317,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,380.73 : 1,314,571.10 = 211,532.73 : x
  2. Step 2: Convert to fraction form
    876,380.73/1,314,571.10 = 211,532.73/x
  3. Step 3: Cross multiply
    876,380.73x = 1,314,571.10 × 211,532.73
  4. Step 4: Simplify right side
    876,380.73x = 278,074,813,562.10
  5. Step 5: Solve for x
    x = 278,074,813,562.10/876,380.73
  6. Step 6: Final answer
    x = 317,299.10

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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.