Finding the Fourth Proportional to 548,705.88, 757,243.49 and 306,973.94
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Solution
The fourth proportional to 548,705.88, 757,243.49 and 306,973.94 is: 423,640.46
Step by Step Solution
- Step 1: Write the proportion equation
548,705.88 : 757,243.49 = 306,973.94 : x - Step 2: Convert to fraction form
548,705.88/757,243.49 = 306,973.94/x - Step 3: Cross multiply
548,705.88x = 757,243.49 × 306,973.94 - Step 4: Simplify right side
548,705.88x = 232,454,012,343.56 - Step 5: Solve for x
x = 232,454,012,343.56/548,705.88 - Step 6: Final answer
x = 423,640.46
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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.