Finding the Fourth Proportional to 886,984.44, 1,330,457.82 and 287,944.74
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Solution
The fourth proportional to 886,984.44, 1,330,457.82 and 287,944.74 is: 431,910.99
Step by Step Solution
- Step 1: Write the proportion equation
886,984.44 : 1,330,457.82 = 287,944.74 : x - Step 2: Convert to fraction form
886,984.44/1,330,457.82 = 287,944.74/x - Step 3: Cross multiply
886,984.44x = 1,330,457.82 × 287,944.74 - Step 4: Simplify right side
886,984.44x = 383,098,331,060.87 - Step 5: Solve for x
x = 383,098,331,060.87/886,984.44 - Step 6: Final answer
x = 431,910.99
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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.