Home / 881,680.80-1,322,521.20-216,832.80

Finding the Fourth Proportional to 881,680.80, 1,322,521.20 and 216,832.80

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Solution

The fourth proportional to 881,680.80, 1,322,521.20 and 216,832.80 is: 325,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,680.80 : 1,322,521.20 = 216,832.80 : x
  2. Step 2: Convert to fraction form
    881,680.80/1,322,521.20 = 216,832.80/x
  3. Step 3: Cross multiply
    881,680.80x = 1,322,521.20 × 216,832.80
  4. Step 4: Simplify right side
    881,680.80x = 286,765,974,855.36
  5. Step 5: Solve for x
    x = 286,765,974,855.36/881,680.80
  6. Step 6: Final answer
    x = 325,249.20

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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.