Home / 787,915.20-1,181,872.80-367,233.60

Finding the Fourth Proportional to 787,915.20, 1,181,872.80 and 367,233.60

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Solution

The fourth proportional to 787,915.20, 1,181,872.80 and 367,233.60 is: 550,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,915.20 : 1,181,872.80 = 367,233.60 : x
  2. Step 2: Convert to fraction form
    787,915.20/1,181,872.80 = 367,233.60/x
  3. Step 3: Cross multiply
    787,915.20x = 1,181,872.80 × 367,233.60
  4. Step 4: Simplify right side
    787,915.20x = 434,023,403,086.08
  5. Step 5: Solve for x
    x = 434,023,403,086.08/787,915.20
  6. Step 6: Final answer
    x = 550,850.40

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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.