Finding the Fourth Proportional to 762,662.67, 1,052,454.42 and 418,497.54
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Solution
The fourth proportional to 762,662.67, 1,052,454.42 and 418,497.54 is: 577,515.60
Step by Step Solution
- Step 1: Write the proportion equation
762,662.67 : 1,052,454.42 = 418,497.54 : x - Step 2: Convert to fraction form
762,662.67/1,052,454.42 = 418,497.54/x - Step 3: Cross multiply
762,662.67x = 1,052,454.42 × 418,497.54 - Step 4: Simplify right side
762,662.67x = 440,449,585,732.13 - Step 5: Solve for x
x = 440,449,585,732.13/762,662.67 - Step 6: Final answer
x = 577,515.60
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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.