Home / 627,331.56-940,468.36-272,078.02

Finding the Fourth Proportional to 627,331.56, 940,468.36 and 272,078.02

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Solution

The fourth proportional to 627,331.56, 940,468.36 and 272,078.02 is: 407,887.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,331.56 : 940,468.36 = 272,078.02 : x
  2. Step 2: Convert to fraction form
    627,331.56/940,468.36 = 272,078.02/x
  3. Step 3: Cross multiply
    627,331.56x = 940,468.36 × 272,078.02
  4. Step 4: Simplify right side
    627,331.56x = 255,880,769,261.45
  5. Step 5: Solve for x
    x = 255,880,769,261.45/627,331.56
  6. Step 6: Final answer
    x = 407,887.61

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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.