Finding the Fourth Proportional to 540,494.97, 745,872.06 and 298,787.73
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Solution
The fourth proportional to 540,494.97, 745,872.06 and 298,787.73 is: 412,320.99
Step by Step Solution
- Step 1: Write the proportion equation
540,494.97 : 745,872.06 = 298,787.73 : x - Step 2: Convert to fraction form
540,494.97/745,872.06 = 298,787.73/x - Step 3: Cross multiply
540,494.97x = 745,872.06 × 298,787.73 - Step 4: Simplify right side
540,494.97x = 222,857,419,677.82 - Step 5: Solve for x
x = 222,857,419,677.82/540,494.97 - Step 6: Final answer
x = 412,320.99
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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.