Home / 850,511.10-1,275,766.65-251,418.90

Finding the Fourth Proportional to 850,511.10, 1,275,766.65 and 251,418.90

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Solution

The fourth proportional to 850,511.10, 1,275,766.65 and 251,418.90 is: 377,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,511.10 : 1,275,766.65 = 251,418.90 : x
  2. Step 2: Convert to fraction form
    850,511.10/1,275,766.65 = 251,418.90/x
  3. Step 3: Cross multiply
    850,511.10x = 1,275,766.65 × 251,418.90
  4. Step 4: Simplify right side
    850,511.10x = 320,751,847,799.69
  5. Step 5: Solve for x
    x = 320,751,847,799.69/850,511.10
  6. Step 6: Final answer
    x = 377,128.35

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Similar ratio
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1.5x scale

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.