Finding the Fourth Proportional to 412,613.44, 618,966.42 and 370,232.96
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Solution
The fourth proportional to 412,613.44, 618,966.42 and 370,232.96 is: 555,390.95
Step by Step Solution
- Step 1: Write the proportion equation
412,613.44 : 618,966.42 = 370,232.96 : x - Step 2: Convert to fraction form
412,613.44/618,966.42 = 370,232.96/x - Step 3: Cross multiply
412,613.44x = 618,966.42 × 370,232.96 - Step 4: Simplify right side
412,613.44x = 229,161,769,817.20 - Step 5: Solve for x
x = 229,161,769,817.20/412,613.44 - Step 6: Final answer
x = 555,390.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.