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Finding the Fourth Proportional to 663,754.60, 996,150.30 and 308,812.60

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Solution

The fourth proportional to 663,754.60, 996,150.30 and 308,812.60 is: 463,460.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,754.60 : 996,150.30 = 308,812.60 : x
  2. Step 2: Convert to fraction form
    663,754.60/996,150.30 = 308,812.60/x
  3. Step 3: Cross multiply
    663,754.60x = 996,150.30 × 308,812.60
  4. Step 4: Simplify right side
    663,754.60x = 307,623,764,133.78
  5. Step 5: Solve for x
    x = 307,623,764,133.78/663,754.60
  6. Step 6: Final answer
    x = 463,460.09

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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.