Finding the Fourth Proportional to 576,636.21, 864,957.96 and 378,216.99
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Solution
The fourth proportional to 576,636.21, 864,957.96 and 378,216.99 is: 567,327.88
Step by Step Solution
- Step 1: Write the proportion equation
576,636.21 : 864,957.96 = 378,216.99 : x - Step 2: Convert to fraction form
576,636.21/864,957.96 = 378,216.99/x - Step 3: Cross multiply
576,636.21x = 864,957.96 × 378,216.99 - Step 4: Simplify right side
576,636.21x = 327,141,796,107.74 - Step 5: Solve for x
x = 327,141,796,107.74/576,636.21 - Step 6: Final answer
x = 567,327.88
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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.