Finding the Fourth Proportional to 864,455.26, 1,295,796.09 and 331,832.86
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Solution
The fourth proportional to 864,455.26, 1,295,796.09 and 331,832.86 is: 497,408.88
Step by Step Solution
- Step 1: Write the proportion equation
864,455.26 : 1,295,796.09 = 331,832.86 : x - Step 2: Convert to fraction form
864,455.26/1,295,796.09 = 331,832.86/x - Step 3: Cross multiply
864,455.26x = 1,295,796.09 × 331,832.86 - Step 4: Simplify right side
864,455.26x = 429,987,722,521.52 - Step 5: Solve for x
x = 429,987,722,521.52/864,455.26 - Step 6: Final answer
x = 497,408.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.