Finding the Fourth Proportional to 697.50, 1,044.63 and 552.78
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Solution
The fourth proportional to 697.50, 1,044.63 and 552.78 is: 827.89
Step by Step Solution
- Step 1: Write the proportion equation
697.50 : 1,044.63 = 552.78 : x - Step 2: Convert to fraction form
697.50/1,044.63 = 552.78/x - Step 3: Cross multiply
697.50x = 1,044.63 × 552.78 - Step 4: Simplify right side
697.50x = 577,450.57 - Step 5: Solve for x
x = 577,450.57/697.50 - Step 6: Final answer
x = 827.89
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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.