Finding the Fourth Proportional to 696.69, 1,043.62 and 558.99
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Solution
The fourth proportional to 696.69, 1,043.62 and 558.99 is: 837.35
Step by Step Solution
- Step 1: Write the proportion equation
696.69 : 1,043.62 = 558.99 : x - Step 2: Convert to fraction form
696.69/1,043.62 = 558.99/x - Step 3: Cross multiply
696.69x = 1,043.62 × 558.99 - Step 4: Simplify right side
696.69x = 583,371.75 - Step 5: Solve for x
x = 583,371.75/696.69 - Step 6: Final answer
x = 837.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.