Finding the Fourth Proportional to 796,689.15, 1,099,416.80 and 434,116.14
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Solution
The fourth proportional to 796,689.15, 1,099,416.80 and 434,116.14 is: 599,072.52
Step by Step Solution
- Step 1: Write the proportion equation
796,689.15 : 1,099,416.80 = 434,116.14 : x - Step 2: Convert to fraction form
796,689.15/1,099,416.80 = 434,116.14/x - Step 3: Cross multiply
796,689.15x = 1,099,416.80 × 434,116.14 - Step 4: Simplify right side
796,689.15x = 477,274,575,296.57 - Step 5: Solve for x
x = 477,274,575,296.57/796,689.15 - Step 6: Final answer
x = 599,072.52
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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.