Home / 919,929.16-1,379,796.66-246,078.46

Finding the Fourth Proportional to 919,929.16, 1,379,796.66 and 246,078.46

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Solution

The fourth proportional to 919,929.16, 1,379,796.66 and 246,078.46 is: 369,091.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,929.16 : 1,379,796.66 = 246,078.46 : x
  2. Step 2: Convert to fraction form
    919,929.16/1,379,796.66 = 246,078.46/x
  3. Step 3: Cross multiply
    919,929.16x = 1,379,796.66 × 246,078.46
  4. Step 4: Simplify right side
    919,929.16x = 339,538,237,205.94
  5. Step 5: Solve for x
    x = 339,538,237,205.94/919,929.16
  6. Step 6: Final answer
    x = 369,091.72

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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.