Home / 496,564.48-685,272.18-281,736.64

Finding the Fourth Proportional to 496,564.48, 685,272.18 and 281,736.64

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Solution

The fourth proportional to 496,564.48, 685,272.18 and 281,736.64 is: 388,804.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,564.48 : 685,272.18 = 281,736.64 : x
  2. Step 2: Convert to fraction form
    496,564.48/685,272.18 = 281,736.64/x
  3. Step 3: Cross multiply
    496,564.48x = 685,272.18 × 281,736.64
  4. Step 4: Simplify right side
    496,564.48x = 193,066,281,478.68
  5. Step 5: Solve for x
    x = 193,066,281,478.68/496,564.48
  6. Step 6: Final answer
    x = 388,804.05

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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.