Finding the Fourth Proportional to 780,631.93, 1,170,697.08 and 248,028.49
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Solution
The fourth proportional to 780,631.93, 1,170,697.08 and 248,028.49 is: 371,963.04
Step by Step Solution
- Step 1: Write the proportion equation
780,631.93 : 1,170,697.08 = 248,028.49 : x - Step 2: Convert to fraction form
780,631.93/1,170,697.08 = 248,028.49/x - Step 3: Cross multiply
780,631.93x = 1,170,697.08 × 248,028.49 - Step 4: Simplify right side
780,631.93x = 290,366,228,999.81 - Step 5: Solve for x
x = 290,366,228,999.81/780,631.93 - Step 6: Final answer
x = 371,963.04
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.