Finding the Fourth Proportional to 684,620.24, 1,026,933.24 and 449,450.96
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Solution
The fourth proportional to 684,620.24, 1,026,933.24 and 449,450.96 is: 674,178.33
Step by Step Solution
- Step 1: Write the proportion equation
684,620.24 : 1,026,933.24 = 449,450.96 : x - Step 2: Convert to fraction form
684,620.24/1,026,933.24 = 449,450.96/x - Step 3: Cross multiply
684,620.24x = 1,026,933.24 × 449,450.96 - Step 4: Simplify right side
684,620.24x = 461,556,130,573.91 - Step 5: Solve for x
x = 461,556,130,573.91/684,620.24 - Step 6: Final answer
x = 674,178.33
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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.