Finding the Fourth Proportional to 864,311.96, 1,192,863.35 and 482,418.02
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Solution
The fourth proportional to 864,311.96, 1,192,863.35 and 482,418.02 is: 665,799.86
Step by Step Solution
- Step 1: Write the proportion equation
864,311.96 : 1,192,863.35 = 482,418.02 : x - Step 2: Convert to fraction form
864,311.96/1,192,863.35 = 482,418.02/x - Step 3: Cross multiply
864,311.96x = 1,192,863.35 × 482,418.02 - Step 4: Simplify right side
864,311.96x = 575,458,779,625.77 - Step 5: Solve for x
x = 575,458,779,625.77/864,311.96 - Step 6: Final answer
x = 665,799.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.