Finding the Fourth Proportional to 512,660.85, 707,468.61 and 283,232.94
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Solution
The fourth proportional to 512,660.85, 707,468.61 and 283,232.94 is: 390,859.60
Step by Step Solution
- Step 1: Write the proportion equation
512,660.85 : 707,468.61 = 283,232.94 : x - Step 2: Convert to fraction form
512,660.85/707,468.61 = 283,232.94/x - Step 3: Cross multiply
512,660.85x = 707,468.61 × 283,232.94 - Step 4: Simplify right side
512,660.85x = 200,378,414,368.01 - Step 5: Solve for x
x = 200,378,414,368.01/512,660.85 - Step 6: Final answer
x = 390,859.60
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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.