Finding the Fourth Proportional to 872,591.70, 1,204,390.29 and 533,344.26
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Solution
The fourth proportional to 872,591.70, 1,204,390.29 and 533,344.26 is: 736,145.72
Step by Step Solution
- Step 1: Write the proportion equation
872,591.70 : 1,204,390.29 = 533,344.26 : x - Step 2: Convert to fraction form
872,591.70/1,204,390.29 = 533,344.26/x - Step 3: Cross multiply
872,591.70x = 1,204,390.29 × 533,344.26 - Step 4: Simplify right side
872,591.70x = 642,354,647,971.24 - Step 5: Solve for x
x = 642,354,647,971.24/872,591.70 - Step 6: Final answer
x = 736,145.72
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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.