Finding the Fourth Proportional to 768,244.26, 1,060,177.95 and 428,712.42
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Solution
The fourth proportional to 768,244.26, 1,060,177.95 and 428,712.42 is: 591,623.63
Step by Step Solution
- Step 1: Write the proportion equation
768,244.26 : 1,060,177.95 = 428,712.42 : x - Step 2: Convert to fraction form
768,244.26/1,060,177.95 = 428,712.42/x - Step 3: Cross multiply
768,244.26x = 1,060,177.95 × 428,712.42 - Step 4: Simplify right side
768,244.26x = 454,511,454,575.14 - Step 5: Solve for x
x = 454,511,454,575.14/768,244.26 - Step 6: Final answer
x = 591,623.63
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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.