Finding the Fourth Proportional to 947,393.62, 1,421,096.58 and 378,822.48
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Solution
The fourth proportional to 947,393.62, 1,421,096.58 and 378,822.48 is: 568,236.18
Step by Step Solution
- Step 1: Write the proportion equation
947,393.62 : 1,421,096.58 = 378,822.48 : x - Step 2: Convert to fraction form
947,393.62/1,421,096.58 = 378,822.48/x - Step 3: Cross multiply
947,393.62x = 1,421,096.58 × 378,822.48 - Step 4: Simplify right side
947,393.62x = 538,343,334,352.65 - Step 5: Solve for x
x = 538,343,334,352.65/947,393.62 - Step 6: Final answer
x = 568,236.18
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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.