Finding the Fourth Proportional to 762,857.88, 1,052,768.04 and 440,562.12
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Solution
The fourth proportional to 762,857.88, 1,052,768.04 and 440,562.12 is: 607,989.68
Step by Step Solution
- Step 1: Write the proportion equation
762,857.88 : 1,052,768.04 = 440,562.12 : x - Step 2: Convert to fraction form
762,857.88/1,052,768.04 = 440,562.12/x - Step 3: Cross multiply
762,857.88x = 1,052,768.04 × 440,562.12 - Step 4: Simplify right side
762,857.88x = 463,809,719,570.65 - Step 5: Solve for x
x = 463,809,719,570.65/762,857.88 - Step 6: Final answer
x = 607,989.68
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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.