Home / 881,205.80-1,321,837.44-419,483.60

Finding the Fourth Proportional to 881,205.80, 1,321,837.44 and 419,483.60

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Solution

The fourth proportional to 881,205.80, 1,321,837.44 and 419,483.60 is: 629,239.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,205.80 : 1,321,837.44 = 419,483.60 : x
  2. Step 2: Convert to fraction form
    881,205.80/1,321,837.44 = 419,483.60/x
  3. Step 3: Cross multiply
    881,205.80x = 1,321,837.44 × 419,483.60
  4. Step 4: Simplify right side
    881,205.80x = 554,489,127,945.98
  5. Step 5: Solve for x
    x = 554,489,127,945.98/881,205.80
  6. Step 6: Final answer
    x = 629,239.08

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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.