Finding the Fourth Proportional to 942,516.77, 1,403,114.22 and 936,911.70
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Solution
The fourth proportional to 942,516.77, 1,403,114.22 and 936,911.70 is: 1,394,770.02
Step by Step Solution
- Step 1: Write the proportion equation
942,516.77 : 1,403,114.22 = 936,911.70 : x - Step 2: Convert to fraction form
942,516.77/1,403,114.22 = 936,911.70/x - Step 3: Cross multiply
942,516.77x = 1,403,114.22 × 936,911.70 - Step 4: Simplify right side
942,516.77x = 1,314,594,129,154.37 - Step 5: Solve for x
x = 1,314,594,129,154.37/942,516.77 - Step 6: Final answer
x = 1,394,770.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.