Finding the Fourth Proportional to 726,083.68, 1,089,177.36 and 193,601.92
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Solution
The fourth proportional to 726,083.68, 1,089,177.36 and 193,601.92 is: 290,416.70
Step by Step Solution
- Step 1: Write the proportion equation
726,083.68 : 1,089,177.36 = 193,601.92 : x - Step 2: Convert to fraction form
726,083.68/1,089,177.36 = 193,601.92/x - Step 3: Cross multiply
726,083.68x = 1,089,177.36 × 193,601.92 - Step 4: Simplify right side
726,083.68x = 210,866,828,116.53 - Step 5: Solve for x
x = 210,866,828,116.53/726,083.68 - Step 6: Final answer
x = 290,416.70
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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.