Finding the Fourth Proportional to 806.77, 1,207.41 and 624.99
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Solution
The fourth proportional to 806.77, 1,207.41 and 624.99 is: 935.36
Step by Step Solution
- Step 1: Write the proportion equation
806.77 : 1,207.41 = 624.99 : x - Step 2: Convert to fraction form
806.77/1,207.41 = 624.99/x - Step 3: Cross multiply
806.77x = 1,207.41 × 624.99 - Step 4: Simplify right side
806.77x = 754,619.18 - Step 5: Solve for x
x = 754,619.18/806.77 - Step 6: Final answer
x = 935.36
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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.