Home / 849,121.20-1,171,744.92-467,138.16

Finding the Fourth Proportional to 849,121.20, 1,171,744.92 and 467,138.16

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Solution

The fourth proportional to 849,121.20, 1,171,744.92 and 467,138.16 is: 644,627.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,121.20 : 1,171,744.92 = 467,138.16 : x
  2. Step 2: Convert to fraction form
    849,121.20/1,171,744.92 = 467,138.16/x
  3. Step 3: Cross multiply
    849,121.20x = 1,171,744.92 × 467,138.16
  4. Step 4: Simplify right side
    849,121.20x = 547,366,765,918.15
  5. Step 5: Solve for x
    x = 547,366,765,918.15/849,121.20
  6. Step 6: Final answer
    x = 644,627.37

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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.