Home / 627,638.78-941,464.74-248,651.75

Finding the Fourth Proportional to 627,638.78, 941,464.74 and 248,651.75

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Solution

The fourth proportional to 627,638.78, 941,464.74 and 248,651.75 is: 372,980.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,638.78 : 941,464.74 = 248,651.75 : x
  2. Step 2: Convert to fraction form
    627,638.78/941,464.74 = 248,651.75/x
  3. Step 3: Cross multiply
    627,638.78x = 941,464.74 × 248,651.75
  4. Step 4: Simplify right side
    627,638.78x = 234,096,855,164.30
  5. Step 5: Solve for x
    x = 234,096,855,164.30/627,638.78
  6. Step 6: Final answer
    x = 372,980.23

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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.