Home / 851,268.99-1,174,759.07-469,309.44

Finding the Fourth Proportional to 851,268.99, 1,174,759.07 and 469,309.44

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Solution

The fourth proportional to 851,268.99, 1,174,759.07 and 469,309.44 is: 647,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,268.99 : 1,174,759.07 = 469,309.44 : x
  2. Step 2: Convert to fraction form
    851,268.99/1,174,759.07 = 469,309.44/x
  3. Step 3: Cross multiply
    851,268.99x = 1,174,759.07 × 469,309.44
  4. Step 4: Simplify right side
    851,268.99x = 551,325,518,930.07
  5. Step 5: Solve for x
    x = 551,325,518,930.07/851,268.99
  6. Step 6: Final answer
    x = 647,651.36

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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.