Home / 851,171.49-1,174,616.42-469,204.65

Finding the Fourth Proportional to 851,171.49, 1,174,616.42 and 469,204.65

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Solution

The fourth proportional to 851,171.49, 1,174,616.42 and 469,204.65 is: 647,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,171.49 : 1,174,616.42 = 469,204.65 : x
  2. Step 2: Convert to fraction form
    851,171.49/1,174,616.42 = 469,204.65/x
  3. Step 3: Cross multiply
    851,171.49x = 1,174,616.42 × 469,204.65
  4. Step 4: Simplify right side
    851,171.49x = 551,135,483,884.33
  5. Step 5: Solve for x
    x = 551,135,483,884.33/851,171.49
  6. Step 6: Final answer
    x = 647,502.28

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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.