Finding the Fourth Proportional to 821,988.09, 1,232,864.58 and 282,234.27
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Solution
The fourth proportional to 821,988.09, 1,232,864.58 and 282,234.27 is: 423,311.04
Step by Step Solution
- Step 1: Write the proportion equation
821,988.09 : 1,232,864.58 = 282,234.27 : x - Step 2: Convert to fraction form
821,988.09/1,232,864.58 = 282,234.27/x - Step 3: Cross multiply
821,988.09x = 1,232,864.58 × 282,234.27 - Step 4: Simplify right side
821,988.09x = 347,956,634,745.16 - Step 5: Solve for x
x = 347,956,634,745.16/821,988.09 - Step 6: Final answer
x = 423,311.04
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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.