Finding the Fourth Proportional to 807,835.53, 1,114,806.87 and 445,260.09
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Solution
The fourth proportional to 807,835.53, 1,114,806.87 and 445,260.09 is: 614,455.53
Step by Step Solution
- Step 1: Write the proportion equation
807,835.53 : 1,114,806.87 = 445,260.09 : x - Step 2: Convert to fraction form
807,835.53/1,114,806.87 = 445,260.09/x - Step 3: Cross multiply
807,835.53x = 1,114,806.87 × 445,260.09 - Step 4: Simplify right side
807,835.53x = 496,379,007,268.82 - Step 5: Solve for x
x = 496,379,007,268.82/807,835.53 - Step 6: Final answer
x = 614,455.53
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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.