Home / 881,960.81-1,322,936.28-320,995.31

Finding the Fourth Proportional to 881,960.81, 1,322,936.28 and 320,995.31

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Solution

The fourth proportional to 881,960.81, 1,322,936.28 and 320,995.31 is: 481,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,960.81 : 1,322,936.28 = 320,995.31 : x
  2. Step 2: Convert to fraction form
    881,960.81/1,322,936.28 = 320,995.31/x
  3. Step 3: Cross multiply
    881,960.81x = 1,322,936.28 × 320,995.31
  4. Step 4: Simplify right side
    881,960.81x = 424,656,334,694.17
  5. Step 5: Solve for x
    x = 424,656,334,694.17/881,960.81
  6. Step 6: Final answer
    x = 481,491.16

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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.