Home / 849,480.19-1,172,018.79-481,896.72

Finding the Fourth Proportional to 849,480.19, 1,172,018.79 and 481,896.72

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Solution

The fourth proportional to 849,480.19, 1,172,018.79 and 481,896.72 is: 664,867.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,480.19 : 1,172,018.79 = 481,896.72 : x
  2. Step 2: Convert to fraction form
    849,480.19/1,172,018.79 = 481,896.72/x
  3. Step 3: Cross multiply
    849,480.19x = 1,172,018.79 × 481,896.72
  4. Step 4: Simplify right side
    849,480.19x = 564,792,010,679.37
  5. Step 5: Solve for x
    x = 564,792,010,679.37/849,480.19
  6. Step 6: Final answer
    x = 664,867.79

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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.