Finding the Fourth Proportional to 743,657.40, 1,113,755.97 and 723,201.66
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Solution
The fourth proportional to 743,657.40, 1,113,755.97 and 723,201.66 is: 1,083,119.95
Step by Step Solution
- Step 1: Write the proportion equation
743,657.40 : 1,113,755.97 = 723,201.66 : x - Step 2: Convert to fraction form
743,657.40/1,113,755.97 = 723,201.66/x - Step 3: Cross multiply
743,657.40x = 1,113,755.97 × 723,201.66 - Step 4: Simplify right side
743,657.40x = 805,470,166,338.91 - Step 5: Solve for x
x = 805,470,166,338.91/743,657.40 - Step 6: Final answer
x = 1,083,119.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.