Home / 1,004.10-1,385.79-605.77

Finding the Fourth Proportional to 1,004.10, 1,385.79 and 605.77

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Solution

The fourth proportional to 1,004.10, 1,385.79 and 605.77 is: 836.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004.10 : 1,385.79 = 605.77 : x
  2. Step 2: Convert to fraction form
    1,004.10/1,385.79 = 605.77/x
  3. Step 3: Cross multiply
    1,004.10x = 1,385.79 × 605.77
  4. Step 4: Simplify right side
    1,004.10x = 839,470.01
  5. Step 5: Solve for x
    x = 839,470.01/1,004.10
  6. Step 6: Final answer
    x = 836.04

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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.