Home / 787,915.76-1,181,700.84-226,828.40

Finding the Fourth Proportional to 787,915.76, 1,181,700.84 and 226,828.40

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Solution

The fourth proportional to 787,915.76, 1,181,700.84 and 226,828.40 is: 340,192.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,915.76 : 1,181,700.84 = 226,828.40 : x
  2. Step 2: Convert to fraction form
    787,915.76/1,181,700.84 = 226,828.40/x
  3. Step 3: Cross multiply
    787,915.76x = 1,181,700.84 × 226,828.40
  4. Step 4: Simplify right side
    787,915.76x = 268,043,310,815.86
  5. Step 5: Solve for x
    x = 268,043,310,815.86/787,915.76
  6. Step 6: Final answer
    x = 340,192.85

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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.