Home / 851,183.25-1,174,640.94-469,223.70

Finding the Fourth Proportional to 851,183.25, 1,174,640.94 and 469,223.70

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Solution

The fourth proportional to 851,183.25, 1,174,640.94 and 469,223.70 is: 647,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,183.25 : 1,174,640.94 = 469,223.70 : x
  2. Step 2: Convert to fraction form
    851,183.25/1,174,640.94 = 469,223.70/x
  3. Step 3: Cross multiply
    851,183.25x = 1,174,640.94 × 469,223.70
  4. Step 4: Simplify right side
    851,183.25x = 551,169,368,038.28
  5. Step 5: Solve for x
    x = 551,169,368,038.28/851,183.25
  6. Step 6: Final answer
    x = 647,533.15

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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.