Finding the Fourth Proportional to 1,092.35, 1,507.05 and 650.09
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Solution
The fourth proportional to 1,092.35, 1,507.05 and 650.09 is: 896.89
Step by Step Solution
- Step 1: Write the proportion equation
1,092.35 : 1,507.05 = 650.09 : x - Step 2: Convert to fraction form
1,092.35/1,507.05 = 650.09/x - Step 3: Cross multiply
1,092.35x = 1,507.05 × 650.09 - Step 4: Simplify right side
1,092.35x = 979,718.13 - Step 5: Solve for x
x = 979,718.13/1,092.35 - Step 6: Final answer
x = 896.89
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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.