Home / 808,783.70-1,213,318.32-276,179.96

Finding the Fourth Proportional to 808,783.70, 1,213,318.32 and 276,179.96

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Solution

The fourth proportional to 808,783.70, 1,213,318.32 and 276,179.96 is: 414,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,783.70 : 1,213,318.32 = 276,179.96 : x
  2. Step 2: Convert to fraction form
    808,783.70/1,213,318.32 = 276,179.96/x
  3. Step 3: Cross multiply
    808,783.70x = 1,213,318.32 × 276,179.96
  4. Step 4: Simplify right side
    808,783.70x = 335,094,205,084.87
  5. Step 5: Solve for x
    x = 335,094,205,084.87/808,783.70
  6. Step 6: Final answer
    x = 414,318.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.