Finding the Fourth Proportional to 796,686.21, 1,099,412.75 and 434,113.20
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Solution
The fourth proportional to 796,686.21, 1,099,412.75 and 434,113.20 is: 599,068.46
Step by Step Solution
- Step 1: Write the proportion equation
796,686.21 : 1,099,412.75 = 434,113.20 : x - Step 2: Convert to fraction form
796,686.21/1,099,412.75 = 434,113.20/x - Step 3: Cross multiply
796,686.21x = 1,099,412.75 × 434,113.20 - Step 4: Simplify right side
796,686.21x = 477,269,581,526.24 - Step 5: Solve for x
x = 477,269,581,526.24/796,686.21 - Step 6: Final answer
x = 599,068.46
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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.