Home / 851,471.60-1,175,039-469,511.92

Finding the Fourth Proportional to 851,471.60, 1,175,039 and 469,511.92

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Solution

The fourth proportional to 851,471.60, 1,175,039 and 469,511.92 is: 647,930.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,471.60 : 1,175,039 = 469,511.92 : x
  2. Step 2: Convert to fraction form
    851,471.60/1,175,039 = 469,511.92/x
  3. Step 3: Cross multiply
    851,471.60x = 1,175,039 × 469,511.92
  4. Step 4: Simplify right side
    851,471.60x = 551,694,816,964.88
  5. Step 5: Solve for x
    x = 551,694,816,964.88/851,471.60
  6. Step 6: Final answer
    x = 647,930.97

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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.