Finding the Fourth Proportional to 734,868.12, 1,102,018.76 and 285,529.84
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Solution
The fourth proportional to 734,868.12, 1,102,018.76 and 285,529.84 is: 428,184.64
Step by Step Solution
- Step 1: Write the proportion equation
734,868.12 : 1,102,018.76 = 285,529.84 : x - Step 2: Convert to fraction form
734,868.12/1,102,018.76 = 285,529.84/x - Step 3: Cross multiply
734,868.12x = 1,102,018.76 × 285,529.84 - Step 4: Simplify right side
734,868.12x = 314,659,240,219.80 - Step 5: Solve for x
x = 314,659,240,219.80/734,868.12 - Step 6: Final answer
x = 428,184.64
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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.