Finding the Fourth Proportional to 639,490.14, 882,524.97 and 367,646.04
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Solution
The fourth proportional to 639,490.14, 882,524.97 and 367,646.04 is: 507,367.96
Step by Step Solution
- Step 1: Write the proportion equation
639,490.14 : 882,524.97 = 367,646.04 : x - Step 2: Convert to fraction form
639,490.14/882,524.97 = 367,646.04/x - Step 3: Cross multiply
639,490.14x = 882,524.97 × 367,646.04 - Step 4: Simplify right side
639,490.14x = 324,456,810,421.62 - Step 5: Solve for x
x = 324,456,810,421.62/639,490.14 - Step 6: Final answer
x = 507,367.96
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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.