Finding the Fourth Proportional to 683,725.74, 1,025,589.36 and 178,286.28
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Solution
The fourth proportional to 683,725.74, 1,025,589.36 and 178,286.28 is: 267,429.62
Step by Step Solution
- Step 1: Write the proportion equation
683,725.74 : 1,025,589.36 = 178,286.28 : x - Step 2: Convert to fraction form
683,725.74/1,025,589.36 = 178,286.28/x - Step 3: Cross multiply
683,725.74x = 1,025,589.36 × 178,286.28 - Step 4: Simplify right side
683,725.74x = 182,848,511,801.98 - Step 5: Solve for x
x = 182,848,511,801.98/683,725.74 - Step 6: Final answer
x = 267,429.62
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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.