Finding the Fourth Proportional to 987,396.24, 1,362,599.01 and 534,687.24
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Solution
The fourth proportional to 987,396.24, 1,362,599.01 and 534,687.24 is: 737,864.17
Step by Step Solution
- Step 1: Write the proportion equation
987,396.24 : 1,362,599.01 = 534,687.24 : x - Step 2: Convert to fraction form
987,396.24/1,362,599.01 = 534,687.24/x - Step 3: Cross multiply
987,396.24x = 1,362,599.01 × 534,687.24 - Step 4: Simplify right side
987,396.24x = 728,564,308,993.38 - Step 5: Solve for x
x = 728,564,308,993.38/987,396.24 - Step 6: Final answer
x = 737,864.17
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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.