Finding the Fourth Proportional to 438,107.68, 657,530.16 and 410,459.68
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Solution
The fourth proportional to 438,107.68, 657,530.16 and 410,459.68 is: 616,034.90
Step by Step Solution
- Step 1: Write the proportion equation
438,107.68 : 657,530.16 = 410,459.68 : x - Step 2: Convert to fraction form
438,107.68/657,530.16 = 410,459.68/x - Step 3: Cross multiply
438,107.68x = 657,530.16 × 410,459.68 - Step 4: Simplify right side
438,107.68x = 269,889,619,063.95 - Step 5: Solve for x
x = 269,889,619,063.95/438,107.68 - Step 6: Final answer
x = 616,034.90
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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.