Home / 851,680.58-1,175,286.58-469,707.39

Finding the Fourth Proportional to 851,680.58, 1,175,286.58 and 469,707.39

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Solution

The fourth proportional to 851,680.58, 1,175,286.58 and 469,707.39 is: 648,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,680.58 : 1,175,286.58 = 469,707.39 : x
  2. Step 2: Convert to fraction form
    851,680.58/1,175,286.58 = 469,707.39/x
  3. Step 3: Cross multiply
    851,680.58x = 1,175,286.58 × 469,707.39
  4. Step 4: Simplify right side
    851,680.58x = 552,040,790,819.56
  5. Step 5: Solve for x
    x = 552,040,790,819.56/851,680.58
  6. Step 6: Final answer
    x = 648,178.21

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Double scale
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1.5x scale

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.