Finding the Fourth Proportional to 557,550.99, 769,405.41 and 328,121.79
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Solution
The fourth proportional to 557,550.99, 769,405.41 and 328,121.79 is: 452,799.27
Step by Step Solution
- Step 1: Write the proportion equation
557,550.99 : 769,405.41 = 328,121.79 : x - Step 2: Convert to fraction form
557,550.99/769,405.41 = 328,121.79/x - Step 3: Cross multiply
557,550.99x = 769,405.41 × 328,121.79 - Step 4: Simplify right side
557,550.99x = 252,458,677,248.91 - Step 5: Solve for x
x = 252,458,677,248.91/557,550.99 - Step 6: Final answer
x = 452,799.27
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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.