Finding the Fourth Proportional to 419,622.42, 629,437.94 and 335,914.68
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Solution
The fourth proportional to 419,622.42, 629,437.94 and 335,914.68 is: 503,875.47
Step by Step Solution
- Step 1: Write the proportion equation
419,622.42 : 629,437.94 = 335,914.68 : x - Step 2: Convert to fraction form
419,622.42/629,437.94 = 335,914.68/x - Step 3: Cross multiply
419,622.42x = 629,437.94 × 335,914.68 - Step 4: Simplify right side
419,622.42x = 211,437,444,194.96 - Step 5: Solve for x
x = 211,437,444,194.96/419,622.42 - Step 6: Final answer
x = 503,875.47
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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.