Finding the Fourth Proportional to 691,936.08, 1,037,897.84 and 218,621.40
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Solution
The fourth proportional to 691,936.08, 1,037,897.84 and 218,621.40 is: 327,930.12
Step by Step Solution
- Step 1: Write the proportion equation
691,936.08 : 1,037,897.84 = 218,621.40 : x - Step 2: Convert to fraction form
691,936.08/1,037,897.84 = 218,621.40/x - Step 3: Cross multiply
691,936.08x = 1,037,897.84 × 218,621.40 - Step 4: Simplify right side
691,936.08x = 226,906,678,837.78 - Step 5: Solve for x
x = 226,906,678,837.78/691,936.08 - Step 6: Final answer
x = 327,930.12
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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.