Home / 701,998.40-1,052,997.60-418,563.20

Finding the Fourth Proportional to 701,998.40, 1,052,997.60 and 418,563.20

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Solution

The fourth proportional to 701,998.40, 1,052,997.60 and 418,563.20 is: 627,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,998.40 : 1,052,997.60 = 418,563.20 : x
  2. Step 2: Convert to fraction form
    701,998.40/1,052,997.60 = 418,563.20/x
  3. Step 3: Cross multiply
    701,998.40x = 1,052,997.60 × 418,563.20
  4. Step 4: Simplify right side
    701,998.40x = 440,746,045,048.32
  5. Step 5: Solve for x
    x = 440,746,045,048.32/701,998.40
  6. Step 6: Final answer
    x = 627,844.80

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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.