Finding the Fourth Proportional to 983,917.26, 1,474,934.67 and 384,679.26
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Solution
The fourth proportional to 983,917.26, 1,474,934.67 and 384,679.26 is: 576,650.90
Step by Step Solution
- Step 1: Write the proportion equation
983,917.26 : 1,474,934.67 = 384,679.26 : x - Step 2: Convert to fraction form
983,917.26/1,474,934.67 = 384,679.26/x - Step 3: Cross multiply
983,917.26x = 1,474,934.67 × 384,679.26 - Step 4: Simplify right side
983,917.26x = 567,376,777,403.94 - Step 5: Solve for x
x = 567,376,777,403.94/983,917.26 - Step 6: Final answer
x = 576,650.90
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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.