Finding the Fourth Proportional to 738,391.92, 1,107,571.98 and 205,898.76
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Solution
The fourth proportional to 738,391.92, 1,107,571.98 and 205,898.76 is: 308,843.71
Step by Step Solution
- Step 1: Write the proportion equation
738,391.92 : 1,107,571.98 = 205,898.76 : x - Step 2: Convert to fraction form
738,391.92/1,107,571.98 = 205,898.76/x - Step 3: Cross multiply
738,391.92x = 1,107,571.98 × 205,898.76 - Step 4: Simplify right side
738,391.92x = 228,047,697,292.75 - Step 5: Solve for x
x = 228,047,697,292.75/738,391.92 - Step 6: Final answer
x = 308,843.71
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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.