Finding the Fourth Proportional to 679,344.08, 936,613.32 and 437,193.68
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Solution
The fourth proportional to 679,344.08, 936,613.32 and 437,193.68 is: 602,759.98
Step by Step Solution
- Step 1: Write the proportion equation
679,344.08 : 936,613.32 = 437,193.68 : x - Step 2: Convert to fraction form
679,344.08/936,613.32 = 437,193.68/x - Step 3: Cross multiply
679,344.08x = 936,613.32 × 437,193.68 - Step 4: Simplify right side
679,344.08x = 409,481,424,107.82 - Step 5: Solve for x
x = 409,481,424,107.82/679,344.08 - Step 6: Final answer
x = 602,759.98
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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.