Finding the Fourth Proportional to 496,098.11, 743,906.44 and 290,988.80
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Solution
The fourth proportional to 496,098.11, 743,906.44 and 290,988.80 is: 436,341.99
Step by Step Solution
- Step 1: Write the proportion equation
496,098.11 : 743,906.44 = 290,988.80 : x - Step 2: Convert to fraction form
496,098.11/743,906.44 = 290,988.80/x - Step 3: Cross multiply
496,098.11x = 743,906.44 × 290,988.80 - Step 4: Simplify right side
496,098.11x = 216,468,437,840.87 - Step 5: Solve for x
x = 216,468,437,840.87/496,098.11 - Step 6: Final answer
x = 436,341.99
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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.