Finding the Fourth Proportional to 738,388.60, 1,107,769.70 and 205,909.68
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Solution
The fourth proportional to 738,388.60, 1,107,769.70 and 205,909.68 is: 308,916.61
Step by Step Solution
- Step 1: Write the proportion equation
738,388.60 : 1,107,769.70 = 205,909.68 : x - Step 2: Convert to fraction form
738,388.60/1,107,769.70 = 205,909.68/x - Step 3: Cross multiply
738,388.60x = 1,107,769.70 × 205,909.68 - Step 4: Simplify right side
738,388.60x = 228,100,504,440.70 - Step 5: Solve for x
x = 228,100,504,440.70/738,388.60 - Step 6: Final answer
x = 308,916.61
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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.