Finding the Fourth Proportional to 842,546.76, 1,162,430.64 and 479,713.95
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Solution
The fourth proportional to 842,546.76, 1,162,430.64 and 479,713.95 is: 661,843.62
Step by Step Solution
- Step 1: Write the proportion equation
842,546.76 : 1,162,430.64 = 479,713.95 : x - Step 2: Convert to fraction form
842,546.76/1,162,430.64 = 479,713.95/x - Step 3: Cross multiply
842,546.76x = 1,162,430.64 × 479,713.95 - Step 4: Simplify right side
842,546.76x = 557,634,193,915.43 - Step 5: Solve for x
x = 557,634,193,915.43/842,546.76 - Step 6: Final answer
x = 661,843.62
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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.