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Finding the Fourth Proportional to 454,361.67, 626,651.03 and 399,796.02

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Solution

The fourth proportional to 454,361.67, 626,651.03 and 399,796.02 is: 551,394.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,361.67 : 626,651.03 = 399,796.02 : x
  2. Step 2: Convert to fraction form
    454,361.67/626,651.03 = 399,796.02/x
  3. Step 3: Cross multiply
    454,361.67x = 626,651.03 × 399,796.02
  4. Step 4: Simplify right side
    454,361.67x = 250,532,588,722.39
  5. Step 5: Solve for x
    x = 250,532,588,722.39/454,361.67
  6. Step 6: Final answer
    x = 551,394.64

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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.