Home / 627,266.30-940,757.59-290,121.96

Finding the Fourth Proportional to 627,266.30, 940,757.59 and 290,121.96

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Solution

The fourth proportional to 627,266.30, 940,757.59 and 290,121.96 is: 435,117.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,266.30 : 940,757.59 = 290,121.96 : x
  2. Step 2: Convert to fraction form
    627,266.30/940,757.59 = 290,121.96/x
  3. Step 3: Cross multiply
    627,266.30x = 940,757.59 × 290,121.96
  4. Step 4: Simplify right side
    627,266.30x = 272,934,435,895.68
  5. Step 5: Solve for x
    x = 272,934,435,895.68/627,266.30
  6. Step 6: Final answer
    x = 435,117.33

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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.