Home / 851,342.94-1,174,861.20-469,383.36

Finding the Fourth Proportional to 851,342.94, 1,174,861.20 and 469,383.36

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Solution

The fourth proportional to 851,342.94, 1,174,861.20 and 469,383.36 is: 647,753.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,342.94 : 1,174,861.20 = 469,383.36 : x
  2. Step 2: Convert to fraction form
    851,342.94/1,174,861.20 = 469,383.36/x
  3. Step 3: Cross multiply
    851,342.94x = 1,174,861.20 × 469,383.36
  4. Step 4: Simplify right side
    851,342.94x = 551,460,297,589.63
  5. Step 5: Solve for x
    x = 551,460,297,589.63/851,342.94
  6. Step 6: Final answer
    x = 647,753.42

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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.