Finding the Fourth Proportional to 669,843.19, 924,379.59 and 363,916.99
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Solution
The fourth proportional to 669,843.19, 924,379.59 and 363,916.99 is: 502,203.27
Step by Step Solution
- Step 1: Write the proportion equation
669,843.19 : 924,379.59 = 363,916.99 : x - Step 2: Convert to fraction form
669,843.19/924,379.59 = 363,916.99/x - Step 3: Cross multiply
669,843.19x = 924,379.59 × 363,916.99 - Step 4: Simplify right side
669,843.19x = 336,397,438,010.23 - Step 5: Solve for x
x = 336,397,438,010.23/669,843.19 - Step 6: Final answer
x = 502,203.27
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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.