Finding the Fourth Proportional to 931,961.26, 1,398,235.30 and 332,909.14
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Solution
The fourth proportional to 931,961.26, 1,398,235.30 and 332,909.14 is: 499,468.52
Step by Step Solution
- Step 1: Write the proportion equation
931,961.26 : 1,398,235.30 = 332,909.14 : x - Step 2: Convert to fraction form
931,961.26/1,398,235.30 = 332,909.14/x - Step 3: Cross multiply
931,961.26x = 1,398,235.30 × 332,909.14 - Step 4: Simplify right side
931,961.26x = 465,485,311,240.64 - Step 5: Solve for x
x = 465,485,311,240.64/931,961.26 - Step 6: Final answer
x = 499,468.52
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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.