Home / 809,054.70-1,214,019.45-335,787.90

Finding the Fourth Proportional to 809,054.70, 1,214,019.45 and 335,787.90

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Solution

The fourth proportional to 809,054.70, 1,214,019.45 and 335,787.90 is: 503,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,054.70 : 1,214,019.45 = 335,787.90 : x
  2. Step 2: Convert to fraction form
    809,054.70/1,214,019.45 = 335,787.90/x
  3. Step 3: Cross multiply
    809,054.70x = 1,214,019.45 × 335,787.90
  4. Step 4: Simplify right side
    809,054.70x = 407,653,041,674.66
  5. Step 5: Solve for x
    x = 407,653,041,674.66/809,054.70
  6. Step 6: Final answer
    x = 503,863.39

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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.