Finding the Fourth Proportional to 819,438.24, 1,229,302.73 and 250,806.77
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Solution
The fourth proportional to 819,438.24, 1,229,302.73 and 250,806.77 is: 376,254.65
Step by Step Solution
- Step 1: Write the proportion equation
819,438.24 : 1,229,302.73 = 250,806.77 : x - Step 2: Convert to fraction form
819,438.24/1,229,302.73 = 250,806.77/x - Step 3: Cross multiply
819,438.24x = 1,229,302.73 × 250,806.77 - Step 4: Simplify right side
819,438.24x = 308,317,447,063.48 - Step 5: Solve for x
x = 308,317,447,063.48/819,438.24 - Step 6: Final answer
x = 376,254.65
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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.