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Finding the Fourth Proportional to 605,878.44, 836,108.51 and 330,235.98

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Solution

The fourth proportional to 605,878.44, 836,108.51 and 330,235.98 is: 455,723.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,878.44 : 836,108.51 = 330,235.98 : x
  2. Step 2: Convert to fraction form
    605,878.44/836,108.51 = 330,235.98/x
  3. Step 3: Cross multiply
    605,878.44x = 836,108.51 × 330,235.98
  4. Step 4: Simplify right side
    605,878.44x = 276,113,111,535.01
  5. Step 5: Solve for x
    x = 276,113,111,535.01/605,878.44
  6. Step 6: Final answer
    x = 455,723.61

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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.