Home / 881,961.31-1,322,937.03-320,995.81

Finding the Fourth Proportional to 881,961.31, 1,322,937.03 and 320,995.81

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Solution

The fourth proportional to 881,961.31, 1,322,937.03 and 320,995.81 is: 481,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,961.31 : 1,322,937.03 = 320,995.81 : x
  2. Step 2: Convert to fraction form
    881,961.31/1,322,937.03 = 320,995.81/x
  3. Step 3: Cross multiply
    881,961.31x = 1,322,937.03 × 320,995.81
  4. Step 4: Simplify right side
    881,961.31x = 424,657,236,909.16
  5. Step 5: Solve for x
    x = 424,657,236,909.16/881,961.31
  6. Step 6: Final answer
    x = 481,491.91

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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.