Finding the Fourth Proportional to 555,239.80, 766,229.97 and 300,590.92
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Solution
The fourth proportional to 555,239.80, 766,229.97 and 300,590.92 is: 414,814.95
Step by Step Solution
- Step 1: Write the proportion equation
555,239.80 : 766,229.97 = 300,590.92 : x - Step 2: Convert to fraction form
555,239.80/766,229.97 = 300,590.92/x - Step 3: Cross multiply
555,239.80x = 766,229.97 × 300,590.92 - Step 4: Simplify right side
555,239.80x = 230,321,771,613.87 - Step 5: Solve for x
x = 230,321,771,613.87/555,239.80 - Step 6: Final answer
x = 414,814.95
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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.