Finding the Fourth Proportional to 873,818.14, 1,311,236.70 and 368,348.20
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Solution
The fourth proportional to 873,818.14, 1,311,236.70 and 368,348.20 is: 552,737.07
Step by Step Solution
- Step 1: Write the proportion equation
873,818.14 : 1,311,236.70 = 368,348.20 : x - Step 2: Convert to fraction form
873,818.14/1,311,236.70 = 368,348.20/x - Step 3: Cross multiply
873,818.14x = 1,311,236.70 × 368,348.20 - Step 4: Simplify right side
873,818.14x = 482,991,678,218.94 - Step 5: Solve for x
x = 482,991,678,218.94/873,818.14 - Step 6: Final answer
x = 552,737.07
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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.