Home / 625,839.93-938,345.09-226,428.75

Finding the Fourth Proportional to 625,839.93, 938,345.09 and 226,428.75

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Solution

The fourth proportional to 625,839.93, 938,345.09 and 226,428.75 is: 339,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,839.93 : 938,345.09 = 226,428.75 : x
  2. Step 2: Convert to fraction form
    625,839.93/938,345.09 = 226,428.75/x
  3. Step 3: Cross multiply
    625,839.93x = 938,345.09 × 226,428.75
  4. Step 4: Simplify right side
    625,839.93x = 212,468,304,665.19
  5. Step 5: Solve for x
    x = 212,468,304,665.19/625,839.93
  6. Step 6: Final answer
    x = 339,493.05

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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.