Finding the Fourth Proportional to 411,864.75, 618,233.84 and 364,785.47
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Solution
The fourth proportional to 411,864.75, 618,233.84 and 364,785.47 is: 547,564.99
Step by Step Solution
- Step 1: Write the proportion equation
411,864.75 : 618,233.84 = 364,785.47 : x - Step 2: Convert to fraction form
411,864.75/618,233.84 = 364,785.47/x - Step 3: Cross multiply
411,864.75x = 618,233.84 × 364,785.47 - Step 4: Simplify right side
411,864.75x = 225,522,716,979.21 - Step 5: Solve for x
x = 225,522,716,979.21/411,864.75 - Step 6: Final answer
x = 547,564.99
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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.