Finding the Fourth Proportional to 479,559.36, 661,553.05 and 334,668.99
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Solution
The fourth proportional to 479,559.36, 661,553.05 and 334,668.99 is: 461,676.51
Step by Step Solution
- Step 1: Write the proportion equation
479,559.36 : 661,553.05 = 334,668.99 : x - Step 2: Convert to fraction form
479,559.36/661,553.05 = 334,668.99/x - Step 3: Cross multiply
479,559.36x = 661,553.05 × 334,668.99 - Step 4: Simplify right side
479,559.36x = 221,401,291,074.92 - Step 5: Solve for x
x = 221,401,291,074.92/479,559.36 - Step 6: Final answer
x = 461,676.51
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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.