Finding the Fourth Proportional to 994,869.36, 1,372,919.76 and 542,160
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Solution
The fourth proportional to 994,869.36, 1,372,919.76 and 542,160 is: 748,180.82
Step by Step Solution
- Step 1: Write the proportion equation
994,869.36 : 1,372,919.76 = 542,160 : x - Step 2: Convert to fraction form
994,869.36/1,372,919.76 = 542,160/x - Step 3: Cross multiply
994,869.36x = 1,372,919.76 × 542,160 - Step 4: Simplify right side
994,869.36x = 744,342,177,081.60 - Step 5: Solve for x
x = 744,342,177,081.60/994,869.36 - Step 6: Final answer
x = 748,180.82
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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.