Home / 1,112.94-1,669.41-464.13

Finding the Fourth Proportional to 1,112.94, 1,669.41 and 464.13

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Solution

The fourth proportional to 1,112.94, 1,669.41 and 464.13 is: 696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112.94 : 1,669.41 = 464.13 : x
  2. Step 2: Convert to fraction form
    1,112.94/1,669.41 = 464.13/x
  3. Step 3: Cross multiply
    1,112.94x = 1,669.41 × 464.13
  4. Step 4: Simplify right side
    1,112.94x = 774,823.26
  5. Step 5: Solve for x
    x = 774,823.26/1,112.94
  6. Step 6: Final answer
    x = 696.20

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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.