Home / 681,750.40-1,022,625.60-308,502.40

Finding the Fourth Proportional to 681,750.40, 1,022,625.60 and 308,502.40

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Solution

The fourth proportional to 681,750.40, 1,022,625.60 and 308,502.40 is: 462,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,750.40 : 1,022,625.60 = 308,502.40 : x
  2. Step 2: Convert to fraction form
    681,750.40/1,022,625.60 = 308,502.40/x
  3. Step 3: Cross multiply
    681,750.40x = 1,022,625.60 × 308,502.40
  4. Step 4: Simplify right side
    681,750.40x = 315,482,451,901.44
  5. Step 5: Solve for x
    x = 315,482,451,901.44/681,750.40
  6. Step 6: Final answer
    x = 462,753.60

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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.