Finding the Fourth Proportional to 686,232.10, 958,858.70 and 686,232.10
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Solution
The fourth proportional to 686,232.10, 958,858.70 and 686,232.10 is: 958,858.70
Step by Step Solution
- Step 1: Write the proportion equation
686,232.10 : 958,858.70 = 686,232.10 : x - Step 2: Convert to fraction form
686,232.10/958,858.70 = 686,232.10/x - Step 3: Cross multiply
686,232.10x = 958,858.70 × 686,232.10 - Step 4: Simplify right side
686,232.10x = 657,999,619,304.27 - Step 5: Solve for x
x = 657,999,619,304.27/686,232.10 - Step 6: Final answer
x = 958,858.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.