Home / 851,167.43-1,174,619.12-469,207.88

Finding the Fourth Proportional to 851,167.43, 1,174,619.12 and 469,207.88

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Solution

The fourth proportional to 851,167.43, 1,174,619.12 and 469,207.88 is: 647,511.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,167.43 : 1,174,619.12 = 469,207.88 : x
  2. Step 2: Convert to fraction form
    851,167.43/1,174,619.12 = 469,207.88/x
  3. Step 3: Cross multiply
    851,167.43x = 1,174,619.12 × 469,207.88
  4. Step 4: Simplify right side
    851,167.43x = 551,140,541,229.57
  5. Step 5: Solve for x
    x = 551,140,541,229.57/851,167.43
  6. Step 6: Final answer
    x = 647,511.32

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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.