Finding the Fourth Proportional to 818,091.46, 1,227,220.98 and 313,077.18
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Solution
The fourth proportional to 818,091.46, 1,227,220.98 and 313,077.18 is: 469,647.84
Step by Step Solution
- Step 1: Write the proportion equation
818,091.46 : 1,227,220.98 = 313,077.18 : x - Step 2: Convert to fraction form
818,091.46/1,227,220.98 = 313,077.18/x - Step 3: Cross multiply
818,091.46x = 1,227,220.98 × 313,077.18 - Step 4: Simplify right side
818,091.46x = 384,214,883,655.24 - Step 5: Solve for x
x = 384,214,883,655.24/818,091.46 - Step 6: Final answer
x = 469,647.84
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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.