Finding the Fourth Proportional to 654,175.31, 902,629.62 and 382,190.68
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Solution
The fourth proportional to 654,175.31, 902,629.62 and 382,190.68 is: 527,345.84
Step by Step Solution
- Step 1: Write the proportion equation
654,175.31 : 902,629.62 = 382,190.68 : x - Step 2: Convert to fraction form
654,175.31/902,629.62 = 382,190.68/x - Step 3: Cross multiply
654,175.31x = 902,629.62 × 382,190.68 - Step 4: Simplify right side
654,175.31x = 344,976,627,400.23 - Step 5: Solve for x
x = 344,976,627,400.23/654,175.31 - Step 6: Final answer
x = 527,345.84
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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.