Finding the Fourth Proportional to 625,480.96, 863,163.30 and 339,000.88
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Solution
The fourth proportional to 625,480.96, 863,163.30 and 339,000.88 is: 467,820.98
Step by Step Solution
- Step 1: Write the proportion equation
625,480.96 : 863,163.30 = 339,000.88 : x - Step 2: Convert to fraction form
625,480.96/863,163.30 = 339,000.88/x - Step 3: Cross multiply
625,480.96x = 863,163.30 × 339,000.88 - Step 4: Simplify right side
625,480.96x = 292,613,118,283.70 - Step 5: Solve for x
x = 292,613,118,283.70/625,480.96 - Step 6: Final answer
x = 467,820.98
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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.