Finding the Fourth Proportional to 905,474.70, 1,358,129.01 and 306,367.24
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Solution
The fourth proportional to 905,474.70, 1,358,129.01 and 306,367.24 is: 459,522.76
Step by Step Solution
- Step 1: Write the proportion equation
905,474.70 : 1,358,129.01 = 306,367.24 : x - Step 2: Convert to fraction form
905,474.70/1,358,129.01 = 306,367.24/x - Step 3: Cross multiply
905,474.70x = 1,358,129.01 × 306,367.24 - Step 4: Simplify right side
905,474.70x = 416,086,236,357.63 - Step 5: Solve for x
x = 416,086,236,357.63/905,474.70 - Step 6: Final answer
x = 459,522.76
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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.