Finding the Fourth Proportional to 672,722.11, 1,007,941.26 and 405,922.01
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Solution
The fourth proportional to 672,722.11, 1,007,941.26 and 405,922.01 is: 608,193.99
Step by Step Solution
- Step 1: Write the proportion equation
672,722.11 : 1,007,941.26 = 405,922.01 : x - Step 2: Convert to fraction form
672,722.11/1,007,941.26 = 405,922.01/x - Step 3: Cross multiply
672,722.11x = 1,007,941.26 × 405,922.01 - Step 4: Simplify right side
672,722.11x = 409,145,544,740.99 - Step 5: Solve for x
x = 409,145,544,740.99/672,722.11 - Step 6: Final answer
x = 608,193.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.