Finding the Fourth Proportional to 678,981.88, 1,016,548.26 and 564,208.12
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Solution
The fourth proportional to 678,981.88, 1,016,548.26 and 564,208.12 is: 844,712.94
Step by Step Solution
- Step 1: Write the proportion equation
678,981.88 : 1,016,548.26 = 564,208.12 : x - Step 2: Convert to fraction form
678,981.88/1,016,548.26 = 564,208.12/x - Step 3: Cross multiply
678,981.88x = 1,016,548.26 × 564,208.12 - Step 4: Simplify right side
678,981.88x = 573,544,782,663.87 - Step 5: Solve for x
x = 573,544,782,663.87/678,981.88 - Step 6: Final answer
x = 844,712.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.