Home / 880,954.20-1,321,431.28-382,318.20

Finding the Fourth Proportional to 880,954.20, 1,321,431.28 and 382,318.20

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Solution

The fourth proportional to 880,954.20, 1,321,431.28 and 382,318.20 is: 573,477.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,954.20 : 1,321,431.28 = 382,318.20 : x
  2. Step 2: Convert to fraction form
    880,954.20/1,321,431.28 = 382,318.20/x
  3. Step 3: Cross multiply
    880,954.20x = 1,321,431.28 × 382,318.20
  4. Step 4: Simplify right side
    880,954.20x = 505,207,228,393.30
  5. Step 5: Solve for x
    x = 505,207,228,393.30/880,954.20
  6. Step 6: Final answer
    x = 573,477.29

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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.