Finding the Fourth Proportional to 836,416.98, 1,154,265.93 and 454,450.14
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Solution
The fourth proportional to 836,416.98, 1,154,265.93 and 454,450.14 is: 627,146.90
Step by Step Solution
- Step 1: Write the proportion equation
836,416.98 : 1,154,265.93 = 454,450.14 : x - Step 2: Convert to fraction form
836,416.98/1,154,265.93 = 454,450.14/x - Step 3: Cross multiply
836,416.98x = 1,154,265.93 × 454,450.14 - Step 4: Simplify right side
836,416.98x = 524,556,313,485.73 - Step 5: Solve for x
x = 524,556,313,485.73/836,416.98 - Step 6: Final answer
x = 627,146.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.