Finding the Fourth Proportional to 758,819.76, 1,138,685.24 and 303,329.62
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Solution
The fourth proportional to 758,819.76, 1,138,685.24 and 303,329.62 is: 455,176.55
Step by Step Solution
- Step 1: Write the proportion equation
758,819.76 : 1,138,685.24 = 303,329.62 : x - Step 2: Convert to fraction form
758,819.76/1,138,685.24 = 303,329.62/x - Step 3: Cross multiply
758,819.76x = 1,138,685.24 × 303,329.62 - Step 4: Simplify right side
758,819.76x = 345,396,961,148.81 - Step 5: Solve for x
x = 345,396,961,148.81/758,819.76 - Step 6: Final answer
x = 455,176.55
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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.