Finding the Fourth Proportional to 755,374.02, 1,042,415.37 and 415,842.54
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Solution
The fourth proportional to 755,374.02, 1,042,415.37 and 415,842.54 is: 573,862.28
Step by Step Solution
- Step 1: Write the proportion equation
755,374.02 : 1,042,415.37 = 415,842.54 : x - Step 2: Convert to fraction form
755,374.02/1,042,415.37 = 415,842.54/x - Step 3: Cross multiply
755,374.02x = 1,042,415.37 × 415,842.54 - Step 4: Simplify right side
755,374.02x = 433,480,655,195.84 - Step 5: Solve for x
x = 433,480,655,195.84/755,374.02 - Step 6: Final answer
x = 573,862.28
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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.