Home / 851,388.68-1,174,969.32-469,414.82

Finding the Fourth Proportional to 851,388.68, 1,174,969.32 and 469,414.82

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Solution

The fourth proportional to 851,388.68, 1,174,969.32 and 469,414.82 is: 647,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,388.68 : 1,174,969.32 = 469,414.82 : x
  2. Step 2: Convert to fraction form
    851,388.68/1,174,969.32 = 469,414.82/x
  3. Step 3: Cross multiply
    851,388.68x = 1,174,969.32 × 469,414.82
  4. Step 4: Simplify right side
    851,388.68x = 551,548,011,853.32
  5. Step 5: Solve for x
    x = 551,548,011,853.32/851,388.68
  6. Step 6: Final answer
    x = 647,821.64

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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.