Home / 880,766.44-1,215,460.04-518,203.96

Finding the Fourth Proportional to 880,766.44, 1,215,460.04 and 518,203.96

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Solution

The fourth proportional to 880,766.44, 1,215,460.04 and 518,203.96 is: 715,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,766.44 : 1,215,460.04 = 518,203.96 : x
  2. Step 2: Convert to fraction form
    880,766.44/1,215,460.04 = 518,203.96/x
  3. Step 3: Cross multiply
    880,766.44x = 1,215,460.04 × 518,203.96
  4. Step 4: Simplify right side
    880,766.44x = 629,856,205,949.76
  5. Step 5: Solve for x
    x = 629,856,205,949.76/880,766.44
  6. Step 6: Final answer
    x = 715,122.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.