Finding the Fourth Proportional to 868,052.52, 1,197,879.42 and 486,060.12
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Solution
The fourth proportional to 868,052.52, 1,197,879.42 and 486,060.12 is: 670,744.46
Step by Step Solution
- Step 1: Write the proportion equation
868,052.52 : 1,197,879.42 = 486,060.12 : x - Step 2: Convert to fraction form
868,052.52/1,197,879.42 = 486,060.12/x - Step 3: Cross multiply
868,052.52x = 1,197,879.42 × 486,060.12 - Step 4: Simplify right side
868,052.52x = 582,241,414,630.73 - Step 5: Solve for x
x = 582,241,414,630.73/868,052.52 - Step 6: Final answer
x = 670,744.46
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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.