Finding the Fourth Proportional to 762,495.19, 1,052,292.60 and 422,963.44
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Solution
The fourth proportional to 762,495.19, 1,052,292.60 and 422,963.44 is: 583,716.86
Step by Step Solution
- Step 1: Write the proportion equation
762,495.19 : 1,052,292.60 = 422,963.44 : x - Step 2: Convert to fraction form
762,495.19/1,052,292.60 = 422,963.44/x - Step 3: Cross multiply
762,495.19x = 1,052,292.60 × 422,963.44 - Step 4: Simplify right side
762,495.19x = 445,081,295,351.81 - Step 5: Solve for x
x = 445,081,295,351.81/762,495.19 - Step 6: Final answer
x = 583,716.86
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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.