Finding the Fourth Proportional to 821,538.68, 1,232,346.08 and 252,945.25
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Solution
The fourth proportional to 821,538.68, 1,232,346.08 and 252,945.25 is: 379,429.59
Step by Step Solution
- Step 1: Write the proportion equation
821,538.68 : 1,232,346.08 = 252,945.25 : x - Step 2: Convert to fraction form
821,538.68/1,232,346.08 = 252,945.25/x - Step 3: Cross multiply
821,538.68x = 1,232,346.08 × 252,945.25 - Step 4: Simplify right side
821,538.68x = 311,716,083,420.80 - Step 5: Solve for x
x = 311,716,083,420.80/821,538.68 - Step 6: Final answer
x = 379,429.59
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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.