Home / 919,928.97-1,379,796.39-246,078.29

Finding the Fourth Proportional to 919,928.97, 1,379,796.39 and 246,078.29

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Solution

The fourth proportional to 919,928.97, 1,379,796.39 and 246,078.29 is: 369,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,928.97 : 1,379,796.39 = 246,078.29 : x
  2. Step 2: Convert to fraction form
    919,928.97/1,379,796.39 = 246,078.29/x
  3. Step 3: Cross multiply
    919,928.97x = 1,379,796.39 × 246,078.29
  4. Step 4: Simplify right side
    919,928.97x = 339,537,939,648.86
  5. Step 5: Solve for x
    x = 339,537,939,648.86/919,928.97
  6. Step 6: Final answer
    x = 369,091.47

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.