Home / 496,318.74-685,041.52-281,584.50

Finding the Fourth Proportional to 496,318.74, 685,041.52 and 281,584.50

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Solution

The fourth proportional to 496,318.74, 685,041.52 and 281,584.50 is: 388,655.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,318.74 : 685,041.52 = 281,584.50 : x
  2. Step 2: Convert to fraction form
    496,318.74/685,041.52 = 281,584.50/x
  3. Step 3: Cross multiply
    496,318.74x = 685,041.52 × 281,584.50
  4. Step 4: Simplify right side
    496,318.74x = 192,897,073,888.44
  5. Step 5: Solve for x
    x = 192,897,073,888.44/496,318.74
  6. Step 6: Final answer
    x = 388,655.63

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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.