Finding the Fourth Proportional to 625,538.18, 863,334.94 and 396,116.42
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Solution
The fourth proportional to 625,538.18, 863,334.94 and 396,116.42 is: 546,699.08
Step by Step Solution
- Step 1: Write the proportion equation
625,538.18 : 863,334.94 = 396,116.42 : x - Step 2: Convert to fraction form
625,538.18/863,334.94 = 396,116.42/x - Step 3: Cross multiply
625,538.18x = 863,334.94 × 396,116.42 - Step 4: Simplify right side
625,538.18x = 341,981,145,693.72 - Step 5: Solve for x
x = 341,981,145,693.72/625,538.18 - Step 6: Final answer
x = 546,699.08
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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.