Finding the Fourth Proportional to 719,364.98, 992,704.82 and 397,068.14
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Solution
The fourth proportional to 719,364.98, 992,704.82 and 397,068.14 is: 547,943.63
Step by Step Solution
- Step 1: Write the proportion equation
719,364.98 : 992,704.82 = 397,068.14 : x - Step 2: Convert to fraction form
719,364.98/992,704.82 = 397,068.14/x - Step 3: Cross multiply
719,364.98x = 992,704.82 × 397,068.14 - Step 4: Simplify right side
719,364.98x = 394,171,456,446.44 - Step 5: Solve for x
x = 394,171,456,446.44/719,364.98 - Step 6: Final answer
x = 547,943.63
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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.