Home / 812,256.80-1,218,500.40-251,232.80

Finding the Fourth Proportional to 812,256.80, 1,218,500.40 and 251,232.80

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Solution

The fourth proportional to 812,256.80, 1,218,500.40 and 251,232.80 is: 376,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,256.80 : 1,218,500.40 = 251,232.80 : x
  2. Step 2: Convert to fraction form
    812,256.80/1,218,500.40 = 251,232.80/x
  3. Step 3: Cross multiply
    812,256.80x = 1,218,500.40 × 251,232.80
  4. Step 4: Simplify right side
    812,256.80x = 306,127,267,293.12
  5. Step 5: Solve for x
    x = 306,127,267,293.12/812,256.80
  6. Step 6: Final answer
    x = 376,884.83

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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.