Finding the Fourth Proportional to 608,553.63, 839,739.36 and 336,578.31
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Solution
The fourth proportional to 608,553.63, 839,739.36 and 336,578.31 is: 464,442.31
Step by Step Solution
- Step 1: Write the proportion equation
608,553.63 : 839,739.36 = 336,578.31 : x - Step 2: Convert to fraction form
608,553.63/839,739.36 = 336,578.31/x - Step 3: Cross multiply
608,553.63x = 839,739.36 × 336,578.31 - Step 4: Simplify right side
608,553.63x = 282,638,054,629.28 - Step 5: Solve for x
x = 282,638,054,629.28/608,553.63 - Step 6: Final answer
x = 464,442.31
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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.