Finding the Fourth Proportional to 843,191.40, 1,163,495.80 and 516,650.42
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Solution
The fourth proportional to 843,191.40, 1,163,495.80 and 516,650.42 is: 712,911.20
Step by Step Solution
- Step 1: Write the proportion equation
843,191.40 : 1,163,495.80 = 516,650.42 : x - Step 2: Convert to fraction form
843,191.40/1,163,495.80 = 516,650.42/x - Step 3: Cross multiply
843,191.40x = 1,163,495.80 × 516,650.42 - Step 4: Simplify right side
843,191.40x = 601,120,593,738.24 - Step 5: Solve for x
x = 601,120,593,738.24/843,191.40 - Step 6: Final answer
x = 712,911.20
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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.