Finding the Fourth Proportional to 1,092.06, 1,507.32 and 649.87
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Solution
The fourth proportional to 1,092.06, 1,507.32 and 649.87 is: 896.99
Step by Step Solution
- Step 1: Write the proportion equation
1,092.06 : 1,507.32 = 649.87 : x - Step 2: Convert to fraction form
1,092.06/1,507.32 = 649.87/x - Step 3: Cross multiply
1,092.06x = 1,507.32 × 649.87 - Step 4: Simplify right side
1,092.06x = 979,562.05 - Step 5: Solve for x
x = 979,562.05/1,092.06 - Step 6: Final answer
x = 896.99
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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.