Finding the Fourth Proportional to 698,237.26, 963,568.23 and 396,431.26
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Solution
The fourth proportional to 698,237.26, 963,568.23 and 396,431.26 is: 547,075.60
Step by Step Solution
- Step 1: Write the proportion equation
698,237.26 : 963,568.23 = 396,431.26 : x - Step 2: Convert to fraction form
698,237.26/963,568.23 = 396,431.26/x - Step 3: Cross multiply
698,237.26x = 963,568.23 × 396,431.26 - Step 4: Simplify right side
698,237.26x = 381,988,567,514.87 - Step 5: Solve for x
x = 381,988,567,514.87/698,237.26 - Step 6: Final answer
x = 547,075.60
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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.