Finding the Fourth Proportional to 987,660.79, 1,481,578.67 and 277,694.98
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Solution
The fourth proportional to 987,660.79, 1,481,578.67 and 277,694.98 is: 416,567.07
Step by Step Solution
- Step 1: Write the proportion equation
987,660.79 : 1,481,578.67 = 277,694.98 : x - Step 2: Convert to fraction form
987,660.79/1,481,578.67 = 277,694.98/x - Step 3: Cross multiply
987,660.79x = 1,481,578.67 × 277,694.98 - Step 4: Simplify right side
987,660.79x = 411,426,959,134.08 - Step 5: Solve for x
x = 411,426,959,134.08/987,660.79 - Step 6: Final answer
x = 416,567.07
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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.