Finding the Fourth Proportional to 784,728.68, 1,177,106.67 and 216,106.88
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Solution
The fourth proportional to 784,728.68, 1,177,106.67 and 216,106.88 is: 324,164.07
Step by Step Solution
- Step 1: Write the proportion equation
784,728.68 : 1,177,106.67 = 216,106.88 : x - Step 2: Convert to fraction form
784,728.68/1,177,106.67 = 216,106.88/x - Step 3: Cross multiply
784,728.68x = 1,177,106.67 × 216,106.88 - Step 4: Simplify right side
784,728.68x = 254,380,843,995.36 - Step 5: Solve for x
x = 254,380,843,995.36/784,728.68 - Step 6: Final answer
x = 324,164.07
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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.