Finding the Fourth Proportional to 880,817.24, 1,215,613.11 and 493,698.42
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Solution
The fourth proportional to 880,817.24, 1,215,613.11 and 493,698.42 is: 681,351.64
Step by Step Solution
- Step 1: Write the proportion equation
880,817.24 : 1,215,613.11 = 493,698.42 : x - Step 2: Convert to fraction form
880,817.24/1,215,613.11 = 493,698.42/x - Step 3: Cross multiply
880,817.24x = 1,215,613.11 × 493,698.42 - Step 4: Simplify right side
880,817.24x = 600,146,271,738.29 - Step 5: Solve for x
x = 600,146,271,738.29/880,817.24 - Step 6: Final answer
x = 681,351.64
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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.