Finding the Fourth Proportional to 728,819.68, 1,093,441.04 and 302,277.28
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Solution
The fourth proportional to 728,819.68, 1,093,441.04 and 302,277.28 is: 453,503.65
Step by Step Solution
- Step 1: Write the proportion equation
728,819.68 : 1,093,441.04 = 302,277.28 : x - Step 2: Convert to fraction form
728,819.68/1,093,441.04 = 302,277.28/x - Step 3: Cross multiply
728,819.68x = 1,093,441.04 × 302,277.28 - Step 4: Simplify right side
728,819.68x = 330,522,383,411.57 - Step 5: Solve for x
x = 330,522,383,411.57/728,819.68 - Step 6: Final answer
x = 453,503.65
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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.