Finding the Fourth Proportional to 862,190.20, 1,292,488.26 and 440,536.60
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Solution
The fourth proportional to 862,190.20, 1,292,488.26 and 440,536.60 is: 660,397.65
Step by Step Solution
- Step 1: Write the proportion equation
862,190.20 : 1,292,488.26 = 440,536.60 : x - Step 2: Convert to fraction form
862,190.20/1,292,488.26 = 440,536.60/x - Step 3: Cross multiply
862,190.20x = 1,292,488.26 × 440,536.60 - Step 4: Simplify right side
862,190.20x = 569,388,383,600.32 - Step 5: Solve for x
x = 569,388,383,600.32/862,190.20 - Step 6: Final answer
x = 660,397.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.