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Finding the Fourth Proportional to 668,372.92, 922,361.78 and 362,449.89

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Solution

The fourth proportional to 668,372.92, 922,361.78 and 362,449.89 is: 500,184.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,372.92 : 922,361.78 = 362,449.89 : x
  2. Step 2: Convert to fraction form
    668,372.92/922,361.78 = 362,449.89/x
  3. Step 3: Cross multiply
    668,372.92x = 922,361.78 × 362,449.89
  4. Step 4: Simplify right side
    668,372.92x = 334,309,926,607.33
  5. Step 5: Solve for x
    x = 334,309,926,607.33/668,372.92
  6. Step 6: Final answer
    x = 500,184.73

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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.