Home / 854,596.91-1,179,212.73-491,950.70

Finding the Fourth Proportional to 854,596.91, 1,179,212.73 and 491,950.70

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Solution

The fourth proportional to 854,596.91, 1,179,212.73 and 491,950.70 is: 678,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,596.91 : 1,179,212.73 = 491,950.70 : x
  2. Step 2: Convert to fraction form
    854,596.91/1,179,212.73 = 491,950.70/x
  3. Step 3: Cross multiply
    854,596.91x = 1,179,212.73 × 491,950.70
  4. Step 4: Simplify right side
    854,596.91x = 580,114,522,076.35
  5. Step 5: Solve for x
    x = 580,114,522,076.35/854,596.91
  6. Step 6: Final answer
    x = 678,816.55

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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.