Finding the Fourth Proportional to 702,939.70, 1,054,409.55 and 323,859.70
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Solution
The fourth proportional to 702,939.70, 1,054,409.55 and 323,859.70 is: 485,789.55
Step by Step Solution
- Step 1: Write the proportion equation
702,939.70 : 1,054,409.55 = 323,859.70 : x - Step 2: Convert to fraction form
702,939.70/1,054,409.55 = 323,859.70/x - Step 3: Cross multiply
702,939.70x = 1,054,409.55 × 323,859.70 - Step 4: Simplify right side
702,939.70x = 341,480,760,540.14 - Step 5: Solve for x
x = 341,480,760,540.14/702,939.70 - Step 6: Final answer
x = 485,789.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.