Finding the Fourth Proportional to 412,811.36, 618,619.41 and 284,596.03
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Solution
The fourth proportional to 412,811.36, 618,619.41 and 284,596.03 is: 426,482.03
Step by Step Solution
- Step 1: Write the proportion equation
412,811.36 : 618,619.41 = 284,596.03 : x - Step 2: Convert to fraction form
412,811.36/618,619.41 = 284,596.03/x - Step 3: Cross multiply
412,811.36x = 618,619.41 × 284,596.03 - Step 4: Simplify right side
412,811.36x = 176,056,626,743.96 - Step 5: Solve for x
x = 176,056,626,743.96/412,811.36 - Step 6: Final answer
x = 426,482.03
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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.