Home / 919.03-1,268.46-604.57

Finding the Fourth Proportional to 919.03, 1,268.46 and 604.57

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Solution

The fourth proportional to 919.03, 1,268.46 and 604.57 is: 834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    919.03 : 1,268.46 = 604.57 : x
  2. Step 2: Convert to fraction form
    919.03/1,268.46 = 604.57/x
  3. Step 3: Cross multiply
    919.03x = 1,268.46 × 604.57
  4. Step 4: Simplify right side
    919.03x = 766,872.86
  5. Step 5: Solve for x
    x = 766,872.86/919.03
  6. Step 6: Final answer
    x = 834.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.