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Finding the Fourth Proportional to 536,997.60, 741,052.80 and 307,605.60

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Solution

The fourth proportional to 536,997.60, 741,052.80 and 307,605.60 is: 424,493.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,997.60 : 741,052.80 = 307,605.60 : x
  2. Step 2: Convert to fraction form
    536,997.60/741,052.80 = 307,605.60/x
  3. Step 3: Cross multiply
    536,997.60x = 741,052.80 × 307,605.60
  4. Step 4: Simplify right side
    536,997.60x = 227,951,991,175.68
  5. Step 5: Solve for x
    x = 227,951,991,175.68/536,997.60
  6. Step 6: Final answer
    x = 424,493.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.