Finding the Fourth Proportional to 755,213.24, 1,042,223.82 and 415,713.08
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Solution
The fourth proportional to 755,213.24, 1,042,223.82 and 415,713.08 is: 573,700.32
Step by Step Solution
- Step 1: Write the proportion equation
755,213.24 : 1,042,223.82 = 415,713.08 : x - Step 2: Convert to fraction form
755,213.24/1,042,223.82 = 415,713.08/x - Step 3: Cross multiply
755,213.24x = 1,042,223.82 × 415,713.08 - Step 4: Simplify right side
755,213.24x = 433,266,074,261.57 - Step 5: Solve for x
x = 433,266,074,261.57/755,213.24 - Step 6: Final answer
x = 573,700.32
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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.