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Finding the Fourth Proportional to 662,226.80, 993,340.20 and 395,850.20

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Solution

The fourth proportional to 662,226.80, 993,340.20 and 395,850.20 is: 593,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,226.80 : 993,340.20 = 395,850.20 : x
  2. Step 2: Convert to fraction form
    662,226.80/993,340.20 = 395,850.20/x
  3. Step 3: Cross multiply
    662,226.80x = 993,340.20 × 395,850.20
  4. Step 4: Simplify right side
    662,226.80x = 393,213,916,838.04
  5. Step 5: Solve for x
    x = 393,213,916,838.04/662,226.80
  6. Step 6: Final answer
    x = 593,775.30

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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.