Finding the Fourth Proportional to 558,668.97, 770,960.26 and 304,021.98
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Solution
The fourth proportional to 558,668.97, 770,960.26 and 304,021.98 is: 419,548.74
Step by Step Solution
- Step 1: Write the proportion equation
558,668.97 : 770,960.26 = 304,021.98 : x - Step 2: Convert to fraction form
558,668.97/770,960.26 = 304,021.98/x - Step 3: Cross multiply
558,668.97x = 770,960.26 × 304,021.98 - Step 4: Simplify right side
558,668.97x = 234,388,863,226.41 - Step 5: Solve for x
x = 234,388,863,226.41/558,668.97 - Step 6: Final answer
x = 419,548.74
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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.