Finding the Fourth Proportional to 769,884.06, 1,154,801.99 and 320,593.66
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Solution
The fourth proportional to 769,884.06, 1,154,801.99 and 320,593.66 is: 480,880.45
Step by Step Solution
- Step 1: Write the proportion equation
769,884.06 : 1,154,801.99 = 320,593.66 : x - Step 2: Convert to fraction form
769,884.06/1,154,801.99 = 320,593.66/x - Step 3: Cross multiply
769,884.06x = 1,154,801.99 × 320,593.66 - Step 4: Simplify right side
769,884.06x = 370,222,196,549.38 - Step 5: Solve for x
x = 370,222,196,549.38/769,884.06 - Step 6: Final answer
x = 480,880.45
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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.