Home / 625,968.40-938,716.80-226,510.36

Finding the Fourth Proportional to 625,968.40, 938,716.80 and 226,510.36

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Solution

The fourth proportional to 625,968.40, 938,716.80 and 226,510.36 is: 339,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,968.40 : 938,716.80 = 226,510.36 : x
  2. Step 2: Convert to fraction form
    625,968.40/938,716.80 = 226,510.36/x
  3. Step 3: Cross multiply
    625,968.40x = 938,716.80 × 226,510.36
  4. Step 4: Simplify right side
    625,968.40x = 212,629,080,306.05
  5. Step 5: Solve for x
    x = 212,629,080,306.05/625,968.40
  6. Step 6: Final answer
    x = 339,680.21

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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.