Home / 454,840-627,605.22-273,508.36

Finding the Fourth Proportional to 454,840, 627,605.22 and 273,508.36

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Solution

The fourth proportional to 454,840, 627,605.22 and 273,508.36 is: 377,397.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,840 : 627,605.22 = 273,508.36 : x
  2. Step 2: Convert to fraction form
    454,840/627,605.22 = 273,508.36/x
  3. Step 3: Cross multiply
    454,840x = 627,605.22 × 273,508.36
  4. Step 4: Simplify right side
    454,840x = 171,655,274,449.64
  5. Step 5: Solve for x
    x = 171,655,274,449.64/454,840
  6. Step 6: Final answer
    x = 377,397.05

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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.