Finding the Fourth Proportional to 748,677.26, 1,033,175.04 and 409,145.48
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Solution
The fourth proportional to 748,677.26, 1,033,175.04 and 409,145.48 is: 564,620.99
Step by Step Solution
- Step 1: Write the proportion equation
748,677.26 : 1,033,175.04 = 409,145.48 : x - Step 2: Convert to fraction form
748,677.26/1,033,175.04 = 409,145.48/x - Step 3: Cross multiply
748,677.26x = 1,033,175.04 × 409,145.48 - Step 4: Simplify right side
748,677.26x = 422,718,897,664.82 - Step 5: Solve for x
x = 422,718,897,664.82/748,677.26 - Step 6: Final answer
x = 564,620.99
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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.