Finding the Fourth Proportional to 613,917.09, 847,231.11 and 341,984.91
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Solution
The fourth proportional to 613,917.09, 847,231.11 and 341,984.91 is: 471,953.39
Step by Step Solution
- Step 1: Write the proportion equation
613,917.09 : 847,231.11 = 341,984.91 : x - Step 2: Convert to fraction form
613,917.09/847,231.11 = 341,984.91/x - Step 3: Cross multiply
613,917.09x = 847,231.11 × 341,984.91 - Step 4: Simplify right side
613,917.09x = 289,740,252,031.55 - Step 5: Solve for x
x = 289,740,252,031.55/613,917.09 - Step 6: Final answer
x = 471,953.39
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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.