Finding the Fourth Proportional to 1,192.99, 1,790 and 463.09
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Solution
The fourth proportional to 1,192.99, 1,790 and 463.09 is: 694.83
Step by Step Solution
- Step 1: Write the proportion equation
1,192.99 : 1,790 = 463.09 : x - Step 2: Convert to fraction form
1,192.99/1,790 = 463.09/x - Step 3: Cross multiply
1,192.99x = 1,790 × 463.09 - Step 4: Simplify right side
1,192.99x = 828,931.10 - Step 5: Solve for x
x = 828,931.10/1,192.99 - Step 6: Final answer
x = 694.83
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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.