Home / 662,942.60-994,932.30-308,000.60

Finding the Fourth Proportional to 662,942.60, 994,932.30 and 308,000.60

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Solution

The fourth proportional to 662,942.60, 994,932.30 and 308,000.60 is: 462,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,942.60 : 994,932.30 = 308,000.60 : x
  2. Step 2: Convert to fraction form
    662,942.60/994,932.30 = 308,000.60/x
  3. Step 3: Cross multiply
    662,942.60x = 994,932.30 × 308,000.60
  4. Step 4: Simplify right side
    662,942.60x = 306,439,745,359.38
  5. Step 5: Solve for x
    x = 306,439,745,359.38/662,942.60
  6. Step 6: Final answer
    x = 462,241.75

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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.