Finding the Fourth Proportional to 813,835.94, 1,123,107.08 and 451,275.08
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Solution
The fourth proportional to 813,835.94, 1,123,107.08 and 451,275.08 is: 622,767.09
Step by Step Solution
- Step 1: Write the proportion equation
813,835.94 : 1,123,107.08 = 451,275.08 : x - Step 2: Convert to fraction form
813,835.94/1,123,107.08 = 451,275.08/x - Step 3: Cross multiply
813,835.94x = 1,123,107.08 × 451,275.08 - Step 4: Simplify right side
813,835.94x = 506,830,237,375.57 - Step 5: Solve for x
x = 506,830,237,375.57/813,835.94 - Step 6: Final answer
x = 622,767.09
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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.