Home / 851,513.36-1,175,063.29-469,540.04

Finding the Fourth Proportional to 851,513.36, 1,175,063.29 and 469,540.04

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Solution

The fourth proportional to 851,513.36, 1,175,063.29 and 469,540.04 is: 647,951.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,513.36 : 1,175,063.29 = 469,540.04 : x
  2. Step 2: Convert to fraction form
    851,513.36/1,175,063.29 = 469,540.04/x
  3. Step 3: Cross multiply
    851,513.36x = 1,175,063.29 × 469,540.04
  4. Step 4: Simplify right side
    851,513.36x = 551,739,257,139.97
  5. Step 5: Solve for x
    x = 551,739,257,139.97/851,513.36
  6. Step 6: Final answer
    x = 647,951.38

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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.