Finding the Fourth Proportional to 994,873.68, 1,372,535.96 and 612,236.16
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Solution
The fourth proportional to 994,873.68, 1,372,535.96 and 612,236.16 is: 844,646.07
Step by Step Solution
- Step 1: Write the proportion equation
994,873.68 : 1,372,535.96 = 612,236.16 : x - Step 2: Convert to fraction form
994,873.68/1,372,535.96 = 612,236.16/x - Step 3: Cross multiply
994,873.68x = 1,372,535.96 × 612,236.16 - Step 4: Simplify right side
994,873.68x = 840,316,142,551.13 - Step 5: Solve for x
x = 840,316,142,551.13/994,873.68 - Step 6: Final answer
x = 844,646.07
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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.