Finding the Fourth Proportional to 518,960.91, 777,399.24 and 258,514.07
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Solution
The fourth proportional to 518,960.91, 777,399.24 and 258,514.07 is: 387,251.99
Step by Step Solution
- Step 1: Write the proportion equation
518,960.91 : 777,399.24 = 258,514.07 : x - Step 2: Convert to fraction form
518,960.91/777,399.24 = 258,514.07/x - Step 3: Cross multiply
518,960.91x = 777,399.24 × 258,514.07 - Step 4: Simplify right side
518,960.91x = 200,968,643,490.81 - Step 5: Solve for x
x = 200,968,643,490.81/518,960.91 - Step 6: Final answer
x = 387,251.99
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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.