Finding the Fourth Proportional to 516,414.64, 712,736.75 and 430,236.97
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Solution
The fourth proportional to 516,414.64, 712,736.75 and 430,236.97 is: 593,797.46
Step by Step Solution
- Step 1: Write the proportion equation
516,414.64 : 712,736.75 = 430,236.97 : x - Step 2: Convert to fraction form
516,414.64/712,736.75 = 430,236.97/x - Step 3: Cross multiply
516,414.64x = 712,736.75 × 430,236.97 - Step 4: Simplify right side
516,414.64x = 306,645,699,021.40 - Step 5: Solve for x
x = 306,645,699,021.40/516,414.64 - Step 6: Final answer
x = 593,797.46
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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.