Finding the Fourth Proportional to 755,320.36, 1,042,342.14 and 415,786
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Solution
The fourth proportional to 755,320.36, 1,042,342.14 and 415,786 is: 573,784.70
Step by Step Solution
- Step 1: Write the proportion equation
755,320.36 : 1,042,342.14 = 415,786 : x - Step 2: Convert to fraction form
755,320.36/1,042,342.14 = 415,786/x - Step 3: Cross multiply
755,320.36x = 1,042,342.14 × 415,786 - Step 4: Simplify right side
755,320.36x = 433,391,269,022.04 - Step 5: Solve for x
x = 433,391,269,022.04/755,320.36 - Step 6: Final answer
x = 573,784.70
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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.