Finding the Fourth Proportional to 515,586.62, 711,595.04 and 300,726.68
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Solution
The fourth proportional to 515,586.62, 711,595.04 and 300,726.68 is: 415,052.69
Step by Step Solution
- Step 1: Write the proportion equation
515,586.62 : 711,595.04 = 300,726.68 : x - Step 2: Convert to fraction form
515,586.62/711,595.04 = 300,726.68/x - Step 3: Cross multiply
515,586.62x = 711,595.04 × 300,726.68 - Step 4: Simplify right side
515,586.62x = 213,995,613,883.67 - Step 5: Solve for x
x = 213,995,613,883.67/515,586.62 - Step 6: Final answer
x = 415,052.69
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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.