Finding the Fourth Proportional to 841,800.80, 1,161,396.96 and 479,133.92
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Solution
The fourth proportional to 841,800.80, 1,161,396.96 and 479,133.92 is: 661,040.80
Step by Step Solution
- Step 1: Write the proportion equation
841,800.80 : 1,161,396.96 = 479,133.92 : x - Step 2: Convert to fraction form
841,800.80/1,161,396.96 = 479,133.92/x - Step 3: Cross multiply
841,800.80x = 1,161,396.96 × 479,133.92 - Step 4: Simplify right side
841,800.80x = 556,464,678,120.88 - Step 5: Solve for x
x = 556,464,678,120.88/841,800.80 - Step 6: Final answer
x = 661,040.80
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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.