Finding the Fourth Proportional to 947,394.12, 1,421,097.33 and 378,822.99
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Solution
The fourth proportional to 947,394.12, 1,421,097.33 and 378,822.99 is: 568,236.93
Step by Step Solution
- Step 1: Write the proportion equation
947,394.12 : 1,421,097.33 = 378,822.99 : x - Step 2: Convert to fraction form
947,394.12/1,421,097.33 = 378,822.99/x - Step 3: Cross multiply
947,394.12x = 1,421,097.33 × 378,822.99 - Step 4: Simplify right side
947,394.12x = 538,344,330,632.02 - Step 5: Solve for x
x = 538,344,330,632.02/947,394.12 - Step 6: Final answer
x = 568,236.93
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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.