Finding the Fourth Proportional to 793,213.88, 1,094,648.36 and 430,637.84
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Solution
The fourth proportional to 793,213.88, 1,094,648.36 and 430,637.84 is: 594,287.39
Step by Step Solution
- Step 1: Write the proportion equation
793,213.88 : 1,094,648.36 = 430,637.84 : x - Step 2: Convert to fraction form
793,213.88/1,094,648.36 = 430,637.84/x - Step 3: Cross multiply
793,213.88x = 1,094,648.36 × 430,637.84 - Step 4: Simplify right side
793,213.88x = 471,397,005,309.94 - Step 5: Solve for x
x = 471,397,005,309.94/793,213.88 - Step 6: Final answer
x = 594,287.39
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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.