Finding the Fourth Proportional to 839,977.44, 1,259,615.81 and 263,452.19
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Solution
The fourth proportional to 839,977.44, 1,259,615.81 and 263,452.19 is: 395,068.39
Step by Step Solution
- Step 1: Write the proportion equation
839,977.44 : 1,259,615.81 = 263,452.19 : x - Step 2: Convert to fraction form
839,977.44/1,259,615.81 = 263,452.19/x - Step 3: Cross multiply
839,977.44x = 1,259,615.81 × 263,452.19 - Step 4: Simplify right side
839,977.44x = 331,848,536,087.78 - Step 5: Solve for x
x = 331,848,536,087.78/839,977.44 - Step 6: Final answer
x = 395,068.39
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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.