Finding the Fourth Proportional to 764,984.36, 1,147,632.06 and 266,387.24
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Solution
The fourth proportional to 764,984.36, 1,147,632.06 and 266,387.24 is: 399,635.02
Step by Step Solution
- Step 1: Write the proportion equation
764,984.36 : 1,147,632.06 = 266,387.24 : x - Step 2: Convert to fraction form
764,984.36/1,147,632.06 = 266,387.24/x - Step 3: Cross multiply
764,984.36x = 1,147,632.06 × 266,387.24 - Step 4: Simplify right side
764,984.36x = 305,714,536,998.91 - Step 5: Solve for x
x = 305,714,536,998.91/764,984.36 - Step 6: Final answer
x = 399,635.02
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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.