Finding the Fourth Proportional to 985,198.49, 1,359,576.24 and 532,489.49
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Solution
The fourth proportional to 985,198.49, 1,359,576.24 and 532,489.49 is: 734,836.75
Step by Step Solution
- Step 1: Write the proportion equation
985,198.49 : 1,359,576.24 = 532,489.49 : x - Step 2: Convert to fraction form
985,198.49/1,359,576.24 = 532,489.49/x - Step 3: Cross multiply
985,198.49x = 1,359,576.24 × 532,489.49 - Step 4: Simplify right side
985,198.49x = 723,960,049,193.39 - Step 5: Solve for x
x = 723,960,049,193.39/985,198.49 - Step 6: Final answer
x = 734,836.75
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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.