Finding the Fourth Proportional to 802,563.68, 1,107,513.92 and 439,975.14
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Solution
The fourth proportional to 802,563.68, 1,107,513.92 and 439,975.14 is: 607,152.56
Step by Step Solution
- Step 1: Write the proportion equation
802,563.68 : 1,107,513.92 = 439,975.14 : x - Step 2: Convert to fraction form
802,563.68/1,107,513.92 = 439,975.14/x - Step 3: Cross multiply
802,563.68x = 1,107,513.92 × 439,975.14 - Step 4: Simplify right side
802,563.68x = 487,278,589,804.07 - Step 5: Solve for x
x = 487,278,589,804.07/802,563.68 - Step 6: Final answer
x = 607,152.56
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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.