Finding the Fourth Proportional to 854,828.03, 1,179,376.19 and 492,244.09
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Solution
The fourth proportional to 854,828.03, 1,179,376.19 and 492,244.09 is: 679,131.86
Step by Step Solution
- Step 1: Write the proportion equation
854,828.03 : 1,179,376.19 = 492,244.09 : x - Step 2: Convert to fraction form
854,828.03/1,179,376.19 = 492,244.09/x - Step 3: Cross multiply
854,828.03x = 1,179,376.19 × 492,244.09 - Step 4: Simplify right side
854,828.03x = 580,540,951,056.12 - Step 5: Solve for x
x = 580,540,951,056.12/854,828.03 - Step 6: Final answer
x = 679,131.86
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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.