Home / 627,331.80-940,468.70-272,078.26

Finding the Fourth Proportional to 627,331.80, 940,468.70 and 272,078.26

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Solution

The fourth proportional to 627,331.80, 940,468.70 and 272,078.26 is: 407,887.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,331.80 : 940,468.70 = 272,078.26 : x
  2. Step 2: Convert to fraction form
    627,331.80/940,468.70 = 272,078.26/x
  3. Step 3: Cross multiply
    627,331.80x = 940,468.70 × 272,078.26
  4. Step 4: Simplify right side
    627,331.80x = 255,881,087,480.46
  5. Step 5: Solve for x
    x = 255,881,087,480.46/627,331.80
  6. Step 6: Final answer
    x = 407,887.96

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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.