Finding the Fourth Proportional to 850,639.98, 1,173,932.14 and 488,060.48
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Solution
The fourth proportional to 850,639.98, 1,173,932.14 and 488,060.48 is: 673,551.56
Step by Step Solution
- Step 1: Write the proportion equation
850,639.98 : 1,173,932.14 = 488,060.48 : x - Step 2: Convert to fraction form
850,639.98/1,173,932.14 = 488,060.48/x - Step 3: Cross multiply
850,639.98x = 1,173,932.14 × 488,060.48 - Step 4: Simplify right side
850,639.98x = 572,949,883,735.83 - Step 5: Solve for x
x = 572,949,883,735.83/850,639.98 - Step 6: Final answer
x = 673,551.56
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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.