Finding the Fourth Proportional to 987,651.24, 1,362,950.17 and 534,942.24
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Solution
The fourth proportional to 987,651.24, 1,362,950.17 and 534,942.24 is: 738,215.67
Step by Step Solution
- Step 1: Write the proportion equation
987,651.24 : 1,362,950.17 = 534,942.24 : x - Step 2: Convert to fraction form
987,651.24/1,362,950.17 = 534,942.24/x - Step 3: Cross multiply
987,651.24x = 1,362,950.17 × 534,942.24 - Step 4: Simplify right side
987,651.24x = 729,099,616,948.18 - Step 5: Solve for x
x = 729,099,616,948.18/987,651.24 - Step 6: Final answer
x = 738,215.67
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1.5x scale
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.