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Finding the Fourth Proportional to 484,066.60, 726,099.90 and 306,773.80

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Solution

The fourth proportional to 484,066.60, 726,099.90 and 306,773.80 is: 460,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,066.60 : 726,099.90 = 306,773.80 : x
  2. Step 2: Convert to fraction form
    484,066.60/726,099.90 = 306,773.80/x
  3. Step 3: Cross multiply
    484,066.60x = 726,099.90 × 306,773.80
  4. Step 4: Simplify right side
    484,066.60x = 222,748,425,502.62
  5. Step 5: Solve for x
    x = 222,748,425,502.62/484,066.60
  6. Step 6: Final answer
    x = 460,160.70

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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.