Finding the Fourth Proportional to 940,137.12, 1,297,469.55 and 532,310.82
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Solution
The fourth proportional to 940,137.12, 1,297,469.55 and 532,310.82 is: 734,634.41
Step by Step Solution
- Step 1: Write the proportion equation
940,137.12 : 1,297,469.55 = 532,310.82 : x - Step 2: Convert to fraction form
940,137.12/1,297,469.55 = 532,310.82/x - Step 3: Cross multiply
940,137.12x = 1,297,469.55 × 532,310.82 - Step 4: Simplify right side
940,137.12x = 690,657,080,085.53 - Step 5: Solve for x
x = 690,657,080,085.53/940,137.12 - Step 6: Final answer
x = 734,634.41
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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.