Finding the Fourth Proportional to 882,997.80, 1,324,496.70 and 818,043.90
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Solution
The fourth proportional to 882,997.80, 1,324,496.70 and 818,043.90 is: 1,227,065.85
Step by Step Solution
- Step 1: Write the proportion equation
882,997.80 : 1,324,496.70 = 818,043.90 : x - Step 2: Convert to fraction form
882,997.80/1,324,496.70 = 818,043.90/x - Step 3: Cross multiply
882,997.80x = 1,324,496.70 × 818,043.90 - Step 4: Simplify right side
882,997.80x = 1,083,496,446,005.13 - Step 5: Solve for x
x = 1,083,496,446,005.13/882,997.80 - Step 6: Final answer
x = 1,227,065.85
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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.