Home / 881,190.27-1,321,814.12-419,468.10

Finding the Fourth Proportional to 881,190.27, 1,321,814.12 and 419,468.10

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Solution

The fourth proportional to 881,190.27, 1,321,814.12 and 419,468.10 is: 629,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,190.27 : 1,321,814.12 = 419,468.10 : x
  2. Step 2: Convert to fraction form
    881,190.27/1,321,814.12 = 419,468.10/x
  3. Step 3: Cross multiply
    881,190.27x = 1,321,814.12 × 419,468.10
  4. Step 4: Simplify right side
    881,190.27x = 554,458,855,372.23
  5. Step 5: Solve for x
    x = 554,458,855,372.23/881,190.27
  6. Step 6: Final answer
    x = 629,215.82

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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.