Finding the Fourth Proportional to 1,324,838.80, 1,987,551.42 and 483,388.12
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Solution
The fourth proportional to 1,324,838.80, 1,987,551.42 and 483,388.12 is: 725,189.17
Step by Step Solution
- Step 1: Write the proportion equation
1,324,838.80 : 1,987,551.42 = 483,388.12 : x - Step 2: Convert to fraction form
1,324,838.80/1,987,551.42 = 483,388.12/x - Step 3: Cross multiply
1,324,838.80x = 1,987,551.42 × 483,388.12 - Step 4: Simplify right side
1,324,838.80x = 960,758,744,317.13 - Step 5: Solve for x
x = 960,758,744,317.13/1,324,838.80 - Step 6: Final answer
x = 725,189.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.