Finding the Fourth Proportional to 987,430.24, 1,362,206.64 and 866,197.54
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Solution
The fourth proportional to 987,430.24, 1,362,206.64 and 866,197.54 is: 1,194,960.41
Step by Step Solution
- Step 1: Write the proportion equation
987,430.24 : 1,362,206.64 = 866,197.54 : x - Step 2: Convert to fraction form
987,430.24/1,362,206.64 = 866,197.54/x - Step 3: Cross multiply
987,430.24x = 1,362,206.64 × 866,197.54 - Step 4: Simplify right side
987,430.24x = 1,179,940,040,539.67 - Step 5: Solve for x
x = 1,179,940,040,539.67/987,430.24 - Step 6: Final answer
x = 1,194,960.41
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.