Finding the Fourth Proportional to 625,536.19, 863,332.17 and 396,114.42
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Solution
The fourth proportional to 625,536.19, 863,332.17 and 396,114.42 is: 546,696.31
Step by Step Solution
- Step 1: Write the proportion equation
625,536.19 : 863,332.17 = 396,114.42 : x - Step 2: Convert to fraction form
625,536.19/863,332.17 = 396,114.42/x - Step 3: Cross multiply
625,536.19x = 863,332.17 × 396,114.42 - Step 4: Simplify right side
625,536.19x = 341,978,321,786.89 - Step 5: Solve for x
x = 341,978,321,786.89/625,536.19 - Step 6: Final answer
x = 546,696.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.