Finding the Fourth Proportional to 526,906.68, 727,126.20 and 285,183.96
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Solution
The fourth proportional to 526,906.68, 727,126.20 and 285,183.96 is: 393,551.15
Step by Step Solution
- Step 1: Write the proportion equation
526,906.68 : 727,126.20 = 285,183.96 : x - Step 2: Convert to fraction form
526,906.68/727,126.20 = 285,183.96/x - Step 3: Cross multiply
526,906.68x = 727,126.20 × 285,183.96 - Step 4: Simplify right side
526,906.68x = 207,364,729,135.75 - Step 5: Solve for x
x = 207,364,729,135.75/526,906.68 - Step 6: Final answer
x = 393,551.15
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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.