Home / 815,873.60-1,223,810.40-629,249.60

Finding the Fourth Proportional to 815,873.60, 1,223,810.40 and 629,249.60

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Solution

The fourth proportional to 815,873.60, 1,223,810.40 and 629,249.60 is: 943,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,873.60 : 1,223,810.40 = 629,249.60 : x
  2. Step 2: Convert to fraction form
    815,873.60/1,223,810.40 = 629,249.60/x
  3. Step 3: Cross multiply
    815,873.60x = 1,223,810.40 × 629,249.60
  4. Step 4: Simplify right side
    815,873.60x = 770,082,204,675.84
  5. Step 5: Solve for x
    x = 770,082,204,675.84/815,873.60
  6. Step 6: Final answer
    x = 943,874.40

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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.