Home / 731,361.03-1,096,321.74-427,369.38

Finding the Fourth Proportional to 731,361.03, 1,096,321.74 and 427,369.38

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Solution

The fourth proportional to 731,361.03, 1,096,321.74 and 427,369.38 is: 640,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,361.03 : 1,096,321.74 = 427,369.38 : x
  2. Step 2: Convert to fraction form
    731,361.03/1,096,321.74 = 427,369.38/x
  3. Step 3: Cross multiply
    731,361.03x = 1,096,321.74 × 427,369.38
  4. Step 4: Simplify right side
    731,361.03x = 468,534,342,304.32
  5. Step 5: Solve for x
    x = 468,534,342,304.32/731,361.03
  6. Step 6: Final answer
    x = 640,633.45

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1.5x scale

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.