Finding the Fourth Proportional to 684,618.24, 1,026,930.24 and 449,448.96
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Solution
The fourth proportional to 684,618.24, 1,026,930.24 and 449,448.96 is: 674,175.33
Step by Step Solution
- Step 1: Write the proportion equation
684,618.24 : 1,026,930.24 = 449,448.96 : x - Step 2: Convert to fraction form
684,618.24/1,026,930.24 = 449,448.96/x - Step 3: Cross multiply
684,618.24x = 1,026,930.24 × 449,448.96 - Step 4: Simplify right side
684,618.24x = 461,552,728,360.55 - Step 5: Solve for x
x = 461,552,728,360.55/684,618.24 - Step 6: Final answer
x = 674,175.33
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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.