Finding the Fourth Proportional to 890,901.88, 1,336,549.38 and 259,865.08
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Solution
The fourth proportional to 890,901.88, 1,336,549.38 and 259,865.08 is: 389,854.95
Step by Step Solution
- Step 1: Write the proportion equation
890,901.88 : 1,336,549.38 = 259,865.08 : x - Step 2: Convert to fraction form
890,901.88/1,336,549.38 = 259,865.08/x - Step 3: Cross multiply
890,901.88x = 1,336,549.38 × 259,865.08 - Step 4: Simplify right side
890,901.88x = 347,322,511,557.65 - Step 5: Solve for x
x = 347,322,511,557.65/890,901.88 - Step 6: Final answer
x = 389,854.95
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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.