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Finding the Fourth Proportional to 403,375.04, 605,334.72 and 303,608.96

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Solution

The fourth proportional to 403,375.04, 605,334.72 and 303,608.96 is: 455,618.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,375.04 : 605,334.72 = 303,608.96 : x
  2. Step 2: Convert to fraction form
    403,375.04/605,334.72 = 303,608.96/x
  3. Step 3: Cross multiply
    403,375.04x = 605,334.72 × 303,608.96
  4. Step 4: Simplify right side
    403,375.04x = 183,785,044,791.09
  5. Step 5: Solve for x
    x = 183,785,044,791.09/403,375.04
  6. Step 6: Final answer
    x = 455,618.29

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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.