Finding the Fourth Proportional to 796,805.80, 1,099,559.99 and 434,221.85
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Solution
The fourth proportional to 796,805.80, 1,099,559.99 and 434,221.85 is: 599,208.71
Step by Step Solution
- Step 1: Write the proportion equation
796,805.80 : 1,099,559.99 = 434,221.85 : x - Step 2: Convert to fraction form
796,805.80/1,099,559.99 = 434,221.85/x - Step 3: Cross multiply
796,805.80x = 1,099,559.99 × 434,221.85 - Step 4: Simplify right side
796,805.80x = 477,452,976,878.24 - Step 5: Solve for x
x = 477,452,976,878.24/796,805.80 - Step 6: Final answer
x = 599,208.71
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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.