Home / 851,269.91-1,174,760.50-469,310.36

Finding the Fourth Proportional to 851,269.91, 1,174,760.50 and 469,310.36

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Solution

The fourth proportional to 851,269.91, 1,174,760.50 and 469,310.36 is: 647,652.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,269.91 : 1,174,760.50 = 469,310.36 : x
  2. Step 2: Convert to fraction form
    851,269.91/1,174,760.50 = 469,310.36/x
  3. Step 3: Cross multiply
    851,269.91x = 1,174,760.50 × 469,310.36
  4. Step 4: Simplify right side
    851,269.91x = 551,327,274,932.41
  5. Step 5: Solve for x
    x = 551,327,274,932.41/851,269.91
  6. Step 6: Final answer
    x = 647,652.72

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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.