Finding the Fourth Proportional to 639,173.26, 882,029.55 and 367,049.68
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Solution
The fourth proportional to 639,173.26, 882,029.55 and 367,049.68 is: 506,511.59
Step by Step Solution
- Step 1: Write the proportion equation
639,173.26 : 882,029.55 = 367,049.68 : x - Step 2: Convert to fraction form
639,173.26/882,029.55 = 367,049.68/x - Step 3: Cross multiply
639,173.26x = 882,029.55 × 367,049.68 - Step 4: Simplify right side
639,173.26x = 323,748,664,078.04 - Step 5: Solve for x
x = 323,748,664,078.04/639,173.26 - Step 6: Final answer
x = 506,511.59
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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.