Home / 485,414.82-727,596.27-248,432.58

Finding the Fourth Proportional to 485,414.82, 727,596.27 and 248,432.58

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Solution

The fourth proportional to 485,414.82, 727,596.27 and 248,432.58 is: 372,379.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,414.82 : 727,596.27 = 248,432.58 : x
  2. Step 2: Convert to fraction form
    485,414.82/727,596.27 = 248,432.58/x
  3. Step 3: Cross multiply
    485,414.82x = 727,596.27 × 248,432.58
  4. Step 4: Simplify right side
    485,414.82x = 180,758,618,554.48
  5. Step 5: Solve for x
    x = 180,758,618,554.48/485,414.82
  6. Step 6: Final answer
    x = 372,379.69

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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.