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Finding the Fourth Proportional to 454,670.89, 627,499.11 and 273,473.89

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Solution

The fourth proportional to 454,670.89, 627,499.11 and 273,473.89 is: 377,426.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,670.89 : 627,499.11 = 273,473.89 : x
  2. Step 2: Convert to fraction form
    454,670.89/627,499.11 = 273,473.89/x
  3. Step 3: Cross multiply
    454,670.89x = 627,499.11 × 273,473.89
  4. Step 4: Simplify right side
    454,670.89x = 171,604,622,583.24
  5. Step 5: Solve for x
    x = 171,604,622,583.24/454,670.89
  6. Step 6: Final answer
    x = 377,426.02

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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.