Home / 881,210.30-1,321,844.19-419,488.10

Finding the Fourth Proportional to 881,210.30, 1,321,844.19 and 419,488.10

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Solution

The fourth proportional to 881,210.30, 1,321,844.19 and 419,488.10 is: 629,245.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,210.30 : 1,321,844.19 = 419,488.10 : x
  2. Step 2: Convert to fraction form
    881,210.30/1,321,844.19 = 419,488.10/x
  3. Step 3: Cross multiply
    881,210.30x = 1,321,844.19 × 419,488.10
  4. Step 4: Simplify right side
    881,210.30x = 554,497,907,759.14
  5. Step 5: Solve for x
    x = 554,497,907,759.14/881,210.30
  6. Step 6: Final answer
    x = 629,245.83

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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.