Finding the Fourth Proportional to 683,165.07, 942,696.18 and 396,629.19
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Solution
The fourth proportional to 683,165.07, 942,696.18 and 396,629.19 is: 547,306.70
Step by Step Solution
- Step 1: Write the proportion equation
683,165.07 : 942,696.18 = 396,629.19 : x - Step 2: Convert to fraction form
683,165.07/942,696.18 = 396,629.19/x - Step 3: Cross multiply
683,165.07x = 942,696.18 × 396,629.19 - Step 4: Simplify right side
683,165.07x = 373,900,822,289.49 - Step 5: Solve for x
x = 373,900,822,289.49/683,165.07 - Step 6: Final answer
x = 547,306.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.