Finding the Fourth Proportional to 752,614.20, 1,128,921.30 and 353,530.44
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Solution
The fourth proportional to 752,614.20, 1,128,921.30 and 353,530.44 is: 530,295.66
Step by Step Solution
- Step 1: Write the proportion equation
752,614.20 : 1,128,921.30 = 353,530.44 : x - Step 2: Convert to fraction form
752,614.20/1,128,921.30 = 353,530.44/x - Step 3: Cross multiply
752,614.20x = 1,128,921.30 × 353,530.44 - Step 4: Simplify right side
752,614.20x = 399,108,043,914.37 - Step 5: Solve for x
x = 399,108,043,914.37/752,614.20 - Step 6: Final answer
x = 530,295.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.