Finding the Fourth Proportional to 798,138.21, 1,101,453.96 and 435,585.41
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Solution
The fourth proportional to 798,138.21, 1,101,453.96 and 435,585.41 is: 601,120.54
Step by Step Solution
- Step 1: Write the proportion equation
798,138.21 : 1,101,453.96 = 435,585.41 : x - Step 2: Convert to fraction form
798,138.21/1,101,453.96 = 435,585.41/x - Step 3: Cross multiply
798,138.21x = 1,101,453.96 × 435,585.41 - Step 4: Simplify right side
798,138.21x = 479,777,269,255.45 - Step 5: Solve for x
x = 479,777,269,255.45/798,138.21 - Step 6: Final answer
x = 601,120.54
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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.