Home / 851,269.16-1,174,759.46-469,309.61

Finding the Fourth Proportional to 851,269.16, 1,174,759.46 and 469,309.61

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Solution

The fourth proportional to 851,269.16, 1,174,759.46 and 469,309.61 is: 647,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,269.16 : 1,174,759.46 = 469,309.61 : x
  2. Step 2: Convert to fraction form
    851,269.16/1,174,759.46 = 469,309.61/x
  3. Step 3: Cross multiply
    851,269.16x = 1,174,759.46 × 469,309.61
  4. Step 4: Simplify right side
    851,269.16x = 551,325,906,366.67
  5. Step 5: Solve for x
    x = 551,325,906,366.67/851,269.16
  6. Step 6: Final answer
    x = 647,651.68

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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.