Finding the Fourth Proportional to 876,446.39, 1,314,815.01 and 307,679.99
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Solution
The fourth proportional to 876,446.39, 1,314,815.01 and 307,679.99 is: 461,571.03
Step by Step Solution
- Step 1: Write the proportion equation
876,446.39 : 1,314,815.01 = 307,679.99 : x - Step 2: Convert to fraction form
876,446.39/1,314,815.01 = 307,679.99/x - Step 3: Cross multiply
876,446.39x = 1,314,815.01 × 307,679.99 - Step 4: Simplify right side
876,446.39x = 404,542,261,400.78 - Step 5: Solve for x
x = 404,542,261,400.78/876,446.39 - Step 6: Final answer
x = 461,571.03
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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.