Finding the Fourth Proportional to 864,768.08, 1,296,249.36 and 295,981.64
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Solution
The fourth proportional to 864,768.08, 1,296,249.36 and 295,981.64 is: 443,663.47
Step by Step Solution
- Step 1: Write the proportion equation
864,768.08 : 1,296,249.36 = 295,981.64 : x - Step 2: Convert to fraction form
864,768.08/1,296,249.36 = 295,981.64/x - Step 3: Cross multiply
864,768.08x = 1,296,249.36 × 295,981.64 - Step 4: Simplify right side
864,768.08x = 383,666,011,421.75 - Step 5: Solve for x
x = 383,666,011,421.75/864,768.08 - Step 6: Final answer
x = 443,663.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.