Finding the Fourth Proportional to 734,817.34, 1,102,471.44 and 285,552.87
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Solution
The fourth proportional to 734,817.34, 1,102,471.44 and 285,552.87 is: 428,424.68
Step by Step Solution
- Step 1: Write the proportion equation
734,817.34 : 1,102,471.44 = 285,552.87 : x - Step 2: Convert to fraction form
734,817.34/1,102,471.44 = 285,552.87/x - Step 3: Cross multiply
734,817.34x = 1,102,471.44 × 285,552.87 - Step 4: Simplify right side
734,817.34x = 314,813,883,785.03 - Step 5: Solve for x
x = 314,813,883,785.03/734,817.34 - Step 6: Final answer
x = 428,424.68
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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.