Home / 800,051.87-1,103,858.81-455,880.43

Finding the Fourth Proportional to 800,051.87, 1,103,858.81 and 455,880.43

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Solution

The fourth proportional to 800,051.87, 1,103,858.81 and 455,880.43 is: 628,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,051.87 : 1,103,858.81 = 455,880.43 : x
  2. Step 2: Convert to fraction form
    800,051.87/1,103,858.81 = 455,880.43/x
  3. Step 3: Cross multiply
    800,051.87x = 1,103,858.81 × 455,880.43
  4. Step 4: Simplify right side
    800,051.87x = 503,227,629,772.06
  5. Step 5: Solve for x
    x = 503,227,629,772.06/800,051.87
  6. Step 6: Final answer
    x = 628,993.75

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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.