Home / 681,680.40-1,022,520.60-548,820.15

Finding the Fourth Proportional to 681,680.40, 1,022,520.60 and 548,820.15

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Solution

The fourth proportional to 681,680.40, 1,022,520.60 and 548,820.15 is: 823,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,680.40 : 1,022,520.60 = 548,820.15 : x
  2. Step 2: Convert to fraction form
    681,680.40/1,022,520.60 = 548,820.15/x
  3. Step 3: Cross multiply
    681,680.40x = 1,022,520.60 × 548,820.15
  4. Step 4: Simplify right side
    681,680.40x = 561,179,909,070.09
  5. Step 5: Solve for x
    x = 561,179,909,070.09/681,680.40
  6. Step 6: Final answer
    x = 823,230.23

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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.