Home / 809,052.60-1,214,453.70-454,758.60

Finding the Fourth Proportional to 809,052.60, 1,214,453.70 and 454,758.60

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Solution

The fourth proportional to 809,052.60, 1,214,453.70 and 454,758.60 is: 682,629.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,052.60 : 1,214,453.70 = 454,758.60 : x
  2. Step 2: Convert to fraction form
    809,052.60/1,214,453.70 = 454,758.60/x
  3. Step 3: Cross multiply
    809,052.60x = 1,214,453.70 × 454,758.60
  4. Step 4: Simplify right side
    809,052.60x = 552,283,264,376.82
  5. Step 5: Solve for x
    x = 552,283,264,376.82/809,052.60
  6. Step 6: Final answer
    x = 682,629.61

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1.5x scale

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.