Home / 731,361.53-1,096,322.49-427,369.88

Finding the Fourth Proportional to 731,361.53, 1,096,322.49 and 427,369.88

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Solution

The fourth proportional to 731,361.53, 1,096,322.49 and 427,369.88 is: 640,634.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,361.53 : 1,096,322.49 = 427,369.88 : x
  2. Step 2: Convert to fraction form
    731,361.53/1,096,322.49 = 427,369.88/x
  3. Step 3: Cross multiply
    731,361.53x = 1,096,322.49 × 427,369.88
  4. Step 4: Simplify right side
    731,361.53x = 468,535,210,992.60
  5. Step 5: Solve for x
    x = 468,535,210,992.60/731,361.53
  6. Step 6: Final answer
    x = 640,634.20

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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.