Home / 747,453.80-1,120,998.45-214,919.30

Finding the Fourth Proportional to 747,453.80, 1,120,998.45 and 214,919.30

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Solution

The fourth proportional to 747,453.80, 1,120,998.45 and 214,919.30 is: 322,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,453.80 : 1,120,998.45 = 214,919.30 : x
  2. Step 2: Convert to fraction form
    747,453.80/1,120,998.45 = 214,919.30/x
  3. Step 3: Cross multiply
    747,453.80x = 1,120,998.45 × 214,919.30
  4. Step 4: Simplify right side
    747,453.80x = 240,924,202,175.09
  5. Step 5: Solve for x
    x = 240,924,202,175.09/747,453.80
  6. Step 6: Final answer
    x = 322,326.55

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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.