Home / 496,610.06-685,337.44-281,759.18

Finding the Fourth Proportional to 496,610.06, 685,337.44 and 281,759.18

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Solution

The fourth proportional to 496,610.06, 685,337.44 and 281,759.18 is: 388,836.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,610.06 : 685,337.44 = 281,759.18 : x
  2. Step 2: Convert to fraction form
    496,610.06/685,337.44 = 281,759.18/x
  3. Step 3: Cross multiply
    496,610.06x = 685,337.44 × 281,759.18
  4. Step 4: Simplify right side
    496,610.06x = 193,100,115,117.70
  5. Step 5: Solve for x
    x = 193,100,115,117.70/496,610.06
  6. Step 6: Final answer
    x = 388,836.50

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1.5x scale

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.