Home / 881,943.06-1,322,909.71-320,977.56

Finding the Fourth Proportional to 881,943.06, 1,322,909.71 and 320,977.56

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Solution

The fourth proportional to 881,943.06, 1,322,909.71 and 320,977.56 is: 481,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,943.06 : 1,322,909.71 = 320,977.56 : x
  2. Step 2: Convert to fraction form
    881,943.06/1,322,909.71 = 320,977.56/x
  3. Step 3: Cross multiply
    881,943.06x = 1,322,909.71 × 320,977.56
  4. Step 4: Simplify right side
    881,943.06x = 424,624,330,816.11
  5. Step 5: Solve for x
    x = 424,624,330,816.11/881,943.06
  6. Step 6: Final answer
    x = 481,464.56

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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.