Home / 919,930.66-1,379,798.91-246,079.96

Finding the Fourth Proportional to 919,930.66, 1,379,798.91 and 246,079.96

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Solution

The fourth proportional to 919,930.66, 1,379,798.91 and 246,079.96 is: 369,093.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,930.66 : 1,379,798.91 = 246,079.96 : x
  2. Step 2: Convert to fraction form
    919,930.66/1,379,798.91 = 246,079.96/x
  3. Step 3: Cross multiply
    919,930.66x = 1,379,798.91 × 246,079.96
  4. Step 4: Simplify right side
    919,930.66x = 339,540,857,131.35
  5. Step 5: Solve for x
    x = 339,540,857,131.35/919,930.66
  6. Step 6: Final answer
    x = 369,093.97

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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.