Home / 496,566.48-685,274.94-281,738.64

Finding the Fourth Proportional to 496,566.48, 685,274.94 and 281,738.64

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Solution

The fourth proportional to 496,566.48, 685,274.94 and 281,738.64 is: 388,806.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,566.48 : 685,274.94 = 281,738.64 : x
  2. Step 2: Convert to fraction form
    496,566.48/685,274.94 = 281,738.64/x
  3. Step 3: Cross multiply
    496,566.48x = 685,274.94 × 281,738.64
  4. Step 4: Simplify right side
    496,566.48x = 193,068,429,621.68
  5. Step 5: Solve for x
    x = 193,068,429,621.68/496,566.48
  6. Step 6: Final answer
    x = 388,806.81

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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.