Finding the Fourth Proportional to 979,040.62, 1,350,631.06 and 634,963.33
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Solution
The fourth proportional to 979,040.62, 1,350,631.06 and 634,963.33 is: 875,960.79
Step by Step Solution
- Step 1: Write the proportion equation
979,040.62 : 1,350,631.06 = 634,963.33 : x - Step 2: Convert to fraction form
979,040.62/1,350,631.06 = 634,963.33/x - Step 3: Cross multiply
979,040.62x = 1,350,631.06 × 634,963.33 - Step 4: Simplify right side
979,040.62x = 857,601,191,761.26 - Step 5: Solve for x
x = 857,601,191,761.26/979,040.62 - Step 6: Final answer
x = 875,960.79
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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.