Finding the Fourth Proportional to 947,604.14, 1,420,740.46 and 331,957.49
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Solution
The fourth proportional to 947,604.14, 1,420,740.46 and 331,957.49 is: 497,703.01
Step by Step Solution
- Step 1: Write the proportion equation
947,604.14 : 1,420,740.46 = 331,957.49 : x - Step 2: Convert to fraction form
947,604.14/1,420,740.46 = 331,957.49/x - Step 3: Cross multiply
947,604.14x = 1,420,740.46 × 331,957.49 - Step 4: Simplify right side
947,604.14x = 471,625,437,043.05 - Step 5: Solve for x
x = 471,625,437,043.05/947,604.14 - Step 6: Final answer
x = 497,703.01
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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.