Finding the Fourth Proportional to 856,285.68, 1,181,675.76 and 474,304.26
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Solution
The fourth proportional to 856,285.68, 1,181,675.76 and 474,304.26 is: 654,540.72
Step by Step Solution
- Step 1: Write the proportion equation
856,285.68 : 1,181,675.76 = 474,304.26 : x - Step 2: Convert to fraction form
856,285.68/1,181,675.76 = 474,304.26/x - Step 3: Cross multiply
856,285.68x = 1,181,675.76 × 474,304.26 - Step 4: Simplify right side
856,285.68x = 560,473,846,906.74 - Step 5: Solve for x
x = 560,473,846,906.74/856,285.68 - Step 6: Final answer
x = 654,540.72
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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.