Home / 809,314.84-1,214,584.89-454,627.18

Finding the Fourth Proportional to 809,314.84, 1,214,584.89 and 454,627.18

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Solution

The fourth proportional to 809,314.84, 1,214,584.89 and 454,627.18 is: 682,284.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,314.84 : 1,214,584.89 = 454,627.18 : x
  2. Step 2: Convert to fraction form
    809,314.84/1,214,584.89 = 454,627.18/x
  3. Step 3: Cross multiply
    809,314.84x = 1,214,584.89 × 454,627.18
  4. Step 4: Simplify right side
    809,314.84x = 552,183,303,411.31
  5. Step 5: Solve for x
    x = 552,183,303,411.31/809,314.84
  6. Step 6: Final answer
    x = 682,284.91

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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.