Home / 904,305.72-1,247,936.96-496,414.50

Finding the Fourth Proportional to 904,305.72, 1,247,936.96 and 496,414.50

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Solution

The fourth proportional to 904,305.72, 1,247,936.96 and 496,414.50 is: 685,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,305.72 : 1,247,936.96 = 496,414.50 : x
  2. Step 2: Convert to fraction form
    904,305.72/1,247,936.96 = 496,414.50/x
  3. Step 3: Cross multiply
    904,305.72x = 1,247,936.96 × 496,414.50
  4. Step 4: Simplify right side
    904,305.72x = 619,494,003,270.96
  5. Step 5: Solve for x
    x = 619,494,003,270.96/904,305.72
  6. Step 6: Final answer
    x = 685,049.30

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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.