Finding the Fourth Proportional to 889,869.24, 1,228,012.11 and 481,961.61
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Solution
The fourth proportional to 889,869.24, 1,228,012.11 and 481,961.61 is: 665,102.99
Step by Step Solution
- Step 1: Write the proportion equation
889,869.24 : 1,228,012.11 = 481,961.61 : x - Step 2: Convert to fraction form
889,869.24/1,228,012.11 = 481,961.61/x - Step 3: Cross multiply
889,869.24x = 1,228,012.11 × 481,961.61 - Step 4: Simplify right side
889,869.24x = 591,854,693,635.10 - Step 5: Solve for x
x = 591,854,693,635.10/889,869.24 - Step 6: Final answer
x = 665,102.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.