Finding the Fourth Proportional to 669,328.65, 923,668.14 and 363,398.97
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Solution
The fourth proportional to 669,328.65, 923,668.14 and 363,398.97 is: 501,487.66
Step by Step Solution
- Step 1: Write the proportion equation
669,328.65 : 923,668.14 = 363,398.97 : x - Step 2: Convert to fraction form
669,328.65/923,668.14 = 363,398.97/x - Step 3: Cross multiply
669,328.65x = 923,668.14 × 363,398.97 - Step 4: Simplify right side
669,328.65x = 335,660,055,524.32 - Step 5: Solve for x
x = 335,660,055,524.32/669,328.65 - Step 6: Final answer
x = 501,487.66
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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.