Finding the Fourth Proportional to 791,204.23, 1,091,857.35 and 428,635.18
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Solution
The fourth proportional to 791,204.23, 1,091,857.35 and 428,635.18 is: 591,514.12
Step by Step Solution
- Step 1: Write the proportion equation
791,204.23 : 1,091,857.35 = 428,635.18 : x - Step 2: Convert to fraction form
791,204.23/1,091,857.35 = 428,635.18/x - Step 3: Cross multiply
791,204.23x = 1,091,857.35 × 428,635.18 - Step 4: Simplify right side
791,204.23x = 468,008,471,751.57 - Step 5: Solve for x
x = 468,008,471,751.57/791,204.23 - Step 6: Final answer
x = 591,514.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.