Finding the Fourth Proportional to 987,662.79, 1,481,581.67 and 277,696.98
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Solution
The fourth proportional to 987,662.79, 1,481,581.67 and 277,696.98 is: 416,570.07
Step by Step Solution
- Step 1: Write the proportion equation
987,662.79 : 1,481,581.67 = 277,696.98 : x - Step 2: Convert to fraction form
987,662.79/1,481,581.67 = 277,696.98/x - Step 3: Cross multiply
987,662.79x = 1,481,581.67 × 277,696.98 - Step 4: Simplify right side
987,662.79x = 411,430,753,993.87 - Step 5: Solve for x
x = 411,430,753,993.87/987,662.79 - Step 6: Final answer
x = 416,570.07
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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.