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Finding the Fourth Proportional to 454,839, 627,603.84 and 273,507.36

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Solution

The fourth proportional to 454,839, 627,603.84 and 273,507.36 is: 377,395.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,839 : 627,603.84 = 273,507.36 : x
  2. Step 2: Convert to fraction form
    454,839/627,603.84 = 273,507.36/x
  3. Step 3: Cross multiply
    454,839x = 627,603.84 × 273,507.36
  4. Step 4: Simplify right side
    454,839x = 171,654,269,404.26
  5. Step 5: Solve for x
    x = 171,654,269,404.26/454,839
  6. Step 6: Final answer
    x = 377,395.67

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1.5x scale

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.