Finding the Fourth Proportional to 782,848.93, 1,080,313.22 and 460,579.78
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Solution
The fourth proportional to 782,848.93, 1,080,313.22 and 460,579.78 is: 635,589.32
Step by Step Solution
- Step 1: Write the proportion equation
782,848.93 : 1,080,313.22 = 460,579.78 : x - Step 2: Convert to fraction form
782,848.93/1,080,313.22 = 460,579.78/x - Step 3: Cross multiply
782,848.93x = 1,080,313.22 × 460,579.78 - Step 4: Simplify right side
782,848.93x = 497,570,419,797.13 - Step 5: Solve for x
x = 497,570,419,797.13/782,848.93 - Step 6: Final answer
x = 635,589.32
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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.