Home / 849,121.86-1,171,786.42-467,147.73

Finding the Fourth Proportional to 849,121.86, 1,171,786.42 and 467,147.73

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Solution

The fourth proportional to 849,121.86, 1,171,786.42 and 467,147.73 is: 644,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,121.86 : 1,171,786.42 = 467,147.73 : x
  2. Step 2: Convert to fraction form
    849,121.86/1,171,786.42 = 467,147.73/x
  3. Step 3: Cross multiply
    849,121.86x = 1,171,786.42 × 467,147.73
  4. Step 4: Simplify right side
    849,121.86x = 547,397,363,812.09
  5. Step 5: Solve for x
    x = 547,397,363,812.09/849,121.86
  6. Step 6: Final answer
    x = 644,662.90

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Double scale
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1.5x scale

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.