Finding the Fourth Proportional to 880,861.14, 1,215,589.56 and 478,453.14
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Solution
The fourth proportional to 880,861.14, 1,215,589.56 and 478,453.14 is: 660,265.98
Step by Step Solution
- Step 1: Write the proportion equation
880,861.14 : 1,215,589.56 = 478,453.14 : x - Step 2: Convert to fraction form
880,861.14/1,215,589.56 = 478,453.14/x - Step 3: Cross multiply
880,861.14x = 1,215,589.56 × 478,453.14 - Step 4: Simplify right side
880,861.14x = 581,602,641,933.22 - Step 5: Solve for x
x = 581,602,641,933.22/880,861.14 - Step 6: Final answer
x = 660,265.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.