Home / 496,269.14-684,631.78-305,169.62

Finding the Fourth Proportional to 496,269.14, 684,631.78 and 305,169.62

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Solution

The fourth proportional to 496,269.14, 684,631.78 and 305,169.62 is: 420,999.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,269.14 : 684,631.78 = 305,169.62 : x
  2. Step 2: Convert to fraction form
    496,269.14/684,631.78 = 305,169.62/x
  3. Step 3: Cross multiply
    496,269.14x = 684,631.78 × 305,169.62
  4. Step 4: Simplify right side
    496,269.14x = 208,928,815,956.44
  5. Step 5: Solve for x
    x = 208,928,815,956.44/496,269.14
  6. Step 6: Final answer
    x = 420,999.01

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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.