Finding the Fourth Proportional to 412,808.62, 618,407.11 and 284,422.00
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Solution
The fourth proportional to 412,808.62, 618,407.11 and 284,422.00 is: 426,077.79
Step by Step Solution
- Step 1: Write the proportion equation
412,808.62 : 618,407.11 = 284,422.00 : x - Step 2: Convert to fraction form
412,808.62/618,407.11 = 284,422.00/x - Step 3: Cross multiply
412,808.62x = 618,407.11 × 284,422.00 - Step 4: Simplify right side
412,808.62x = 175,888,585,409.57 - Step 5: Solve for x
x = 175,888,585,409.57/412,808.62 - Step 6: Final answer
x = 426,077.79
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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.