Finding the Fourth Proportional to 886,882.56, 1,330,768.64 and 413,605.12
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Solution
The fourth proportional to 886,882.56, 1,330,768.64 and 413,605.12 is: 620,615.12
Step by Step Solution
- Step 1: Write the proportion equation
886,882.56 : 1,330,768.64 = 413,605.12 : x - Step 2: Convert to fraction form
886,882.56/1,330,768.64 = 413,605.12/x - Step 3: Cross multiply
886,882.56x = 1,330,768.64 × 413,605.12 - Step 4: Simplify right side
886,882.56x = 550,412,723,039.44 - Step 5: Solve for x
x = 550,412,723,039.44/886,882.56 - Step 6: Final answer
x = 620,615.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.