Finding the Fourth Proportional to 625,407.45, 863,154.87 and 395,986.08
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Solution
The fourth proportional to 625,407.45, 863,154.87 and 395,986.08 is: 546,519.41
Step by Step Solution
- Step 1: Write the proportion equation
625,407.45 : 863,154.87 = 395,986.08 : x - Step 2: Convert to fraction form
625,407.45/863,154.87 = 395,986.08/x - Step 3: Cross multiply
625,407.45x = 863,154.87 × 395,986.08 - Step 4: Simplify right side
625,407.45x = 341,797,313,404.21 - Step 5: Solve for x
x = 341,797,313,404.21/625,407.45 - Step 6: Final answer
x = 546,519.41
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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.