Finding the Fourth Proportional to 939,629.96, 1,296,690.16 and 509,910.08
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Solution
The fourth proportional to 939,629.96, 1,296,690.16 and 509,910.08 is: 703,676.35
Step by Step Solution
- Step 1: Write the proportion equation
939,629.96 : 1,296,690.16 = 509,910.08 : x - Step 2: Convert to fraction form
939,629.96/1,296,690.16 = 509,910.08/x - Step 3: Cross multiply
939,629.96x = 1,296,690.16 × 509,910.08 - Step 4: Simplify right side
939,629.96x = 661,195,383,220.81 - Step 5: Solve for x
x = 661,195,383,220.81/939,629.96 - Step 6: Final answer
x = 703,676.35
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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.