Finding the Fourth Proportional to 1,036,129.75, 1,554,282.11 and 288,175.75
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Solution
The fourth proportional to 1,036,129.75, 1,554,282.11 and 288,175.75 is: 432,287.96
Step by Step Solution
- Step 1: Write the proportion equation
1,036,129.75 : 1,554,282.11 = 288,175.75 : x - Step 2: Convert to fraction form
1,036,129.75/1,554,282.11 = 288,175.75/x - Step 3: Cross multiply
1,036,129.75x = 1,554,282.11 × 288,175.75 - Step 4: Simplify right side
1,036,129.75x = 447,906,412,760.83 - Step 5: Solve for x
x = 447,906,412,760.83/1,036,129.75 - Step 6: Final answer
x = 432,287.96
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1.5x scale
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.