Finding the Fourth Proportional to 764,762.36, 1,147,141.46 and 284,979.23
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Solution
The fourth proportional to 764,762.36, 1,147,141.46 and 284,979.23 is: 427,468.07
Step by Step Solution
- Step 1: Write the proportion equation
764,762.36 : 1,147,141.46 = 284,979.23 : x - Step 2: Convert to fraction form
764,762.36/1,147,141.46 = 284,979.23/x - Step 3: Cross multiply
764,762.36x = 1,147,141.46 × 284,979.23 - Step 4: Simplify right side
764,762.36x = 326,911,484,948.62 - Step 5: Solve for x
x = 326,911,484,948.62/764,762.36 - Step 6: Final answer
x = 427,468.07
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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.