Home / 838,025.44-1,257,049.69-238,986.66

Finding the Fourth Proportional to 838,025.44, 1,257,049.69 and 238,986.66

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Solution

The fourth proportional to 838,025.44, 1,257,049.69 and 238,986.66 is: 358,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,025.44 : 1,257,049.69 = 238,986.66 : x
  2. Step 2: Convert to fraction form
    838,025.44/1,257,049.69 = 238,986.66/x
  3. Step 3: Cross multiply
    838,025.44x = 1,257,049.69 × 238,986.66
  4. Step 4: Simplify right side
    838,025.44x = 300,418,107,520.43
  5. Step 5: Solve for x
    x = 300,418,107,520.43/838,025.44
  6. Step 6: Final answer
    x = 358,483.28

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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.