Finding the Fourth Proportional to 719,494.89, 992,876.94 and 397,198.08
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Solution
The fourth proportional to 719,494.89, 992,876.94 and 397,198.08 is: 548,118.99
Step by Step Solution
- Step 1: Write the proportion equation
719,494.89 : 992,876.94 = 397,198.08 : x - Step 2: Convert to fraction form
719,494.89/992,876.94 = 397,198.08/x - Step 3: Cross multiply
719,494.89x = 992,876.94 × 397,198.08 - Step 4: Simplify right side
719,494.89x = 394,368,814,244.28 - Step 5: Solve for x
x = 394,368,814,244.28/719,494.89 - Step 6: Final answer
x = 548,118.99
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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.