Finding the Fourth Proportional to 755,343.36, 1,042,335.36 and 415,746.24
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Solution
The fourth proportional to 755,343.36, 1,042,335.36 and 415,746.24 is: 573,708.63
Step by Step Solution
- Step 1: Write the proportion equation
755,343.36 : 1,042,335.36 = 415,746.24 : x - Step 2: Convert to fraction form
755,343.36/1,042,335.36 = 415,746.24/x - Step 3: Cross multiply
755,343.36x = 1,042,335.36 × 415,746.24 - Step 4: Simplify right side
755,343.36x = 433,347,006,739.05 - Step 5: Solve for x
x = 433,347,006,739.05/755,343.36 - Step 6: Final answer
x = 573,708.63
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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.