Finding the Fourth Proportional to 754,120.44, 1,040,693.02 and 409,957.06
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Solution
The fourth proportional to 754,120.44, 1,040,693.02 and 409,957.06 is: 565,744.45
Step by Step Solution
- Step 1: Write the proportion equation
754,120.44 : 1,040,693.02 = 409,957.06 : x - Step 2: Convert to fraction form
754,120.44/1,040,693.02 = 409,957.06/x - Step 3: Cross multiply
754,120.44x = 1,040,693.02 × 409,957.06 - Step 4: Simplify right side
754,120.44x = 426,639,450,841.72 - Step 5: Solve for x
x = 426,639,450,841.72/754,120.44 - Step 6: Final answer
x = 565,744.45
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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.