Finding the Fourth Proportional to 921,190.41, 1,382,561.97 and 389,093.31
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Solution
The fourth proportional to 921,190.41, 1,382,561.97 and 389,093.31 is: 583,967.88
Step by Step Solution
- Step 1: Write the proportion equation
921,190.41 : 1,382,561.97 = 389,093.31 : x - Step 2: Convert to fraction form
921,190.41/1,382,561.97 = 389,093.31/x - Step 3: Cross multiply
921,190.41x = 1,382,561.97 × 389,093.31 - Step 4: Simplify right side
921,190.41x = 537,945,613,187.42 - Step 5: Solve for x
x = 537,945,613,187.42/921,190.41 - Step 6: Final answer
x = 583,967.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.