Finding the Fourth Proportional to 844,724.94, 1,165,428.28 and 640,563.18
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Solution
The fourth proportional to 844,724.94, 1,165,428.28 and 640,563.18 is: 883,755.65
Step by Step Solution
- Step 1: Write the proportion equation
844,724.94 : 1,165,428.28 = 640,563.18 : x - Step 2: Convert to fraction form
844,724.94/1,165,428.28 = 640,563.18/x - Step 3: Cross multiply
844,724.94x = 1,165,428.28 × 640,563.18 - Step 4: Simplify right side
844,724.94x = 746,530,437,670.18 - Step 5: Solve for x
x = 746,530,437,670.18/844,724.94 - Step 6: Final answer
x = 883,755.65
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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.