Home / 851,270.24-1,174,760.80-469,310.70

Finding the Fourth Proportional to 851,270.24, 1,174,760.80 and 469,310.70

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Solution

The fourth proportional to 851,270.24, 1,174,760.80 and 469,310.70 is: 647,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,270.24 : 1,174,760.80 = 469,310.70 : x
  2. Step 2: Convert to fraction form
    851,270.24/1,174,760.80 = 469,310.70/x
  3. Step 3: Cross multiply
    851,270.24x = 1,174,760.80 × 469,310.70
  4. Step 4: Simplify right side
    851,270.24x = 551,327,813,380.56
  5. Step 5: Solve for x
    x = 551,327,813,380.56/851,270.24
  6. Step 6: Final answer
    x = 647,653.10

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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.