Finding the Fourth Proportional to 762,578.27, 1,052,377.37 and 418,414.11
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Solution
The fourth proportional to 762,578.27, 1,052,377.37 and 418,414.11 is: 577,422.09
Step by Step Solution
- Step 1: Write the proportion equation
762,578.27 : 1,052,377.37 = 418,414.11 : x - Step 2: Convert to fraction form
762,578.27/1,052,377.37 = 418,414.11/x - Step 3: Cross multiply
762,578.27x = 1,052,377.37 × 418,414.11 - Step 4: Simplify right side
762,578.27x = 440,329,540,652.69 - Step 5: Solve for x
x = 440,329,540,652.69/762,578.27 - Step 6: Final answer
x = 577,422.09
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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.