Finding the Fourth Proportional to 763,542.24, 1,144,807.84 and 364,244.64
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Solution
The fourth proportional to 763,542.24, 1,144,807.84 and 364,244.64 is: 546,125.80
Step by Step Solution
- Step 1: Write the proportion equation
763,542.24 : 1,144,807.84 = 364,244.64 : x - Step 2: Convert to fraction form
763,542.24/1,144,807.84 = 364,244.64/x - Step 3: Cross multiply
763,542.24x = 1,144,807.84 × 364,244.64 - Step 4: Simplify right side
763,542.24x = 416,990,119,549.98 - Step 5: Solve for x
x = 416,990,119,549.98/763,542.24 - Step 6: Final answer
x = 546,125.80
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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.