Finding the Fourth Proportional to 741,856.21, 1,112,628.49 and 209,252.68
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Solution
The fourth proportional to 741,856.21, 1,112,628.49 and 209,252.68 is: 313,835.06
Step by Step Solution
- Step 1: Write the proportion equation
741,856.21 : 1,112,628.49 = 209,252.68 : x - Step 2: Convert to fraction form
741,856.21/1,112,628.49 = 209,252.68/x - Step 3: Cross multiply
741,856.21x = 1,112,628.49 × 209,252.68 - Step 4: Simplify right side
741,856.21x = 232,820,490,072.15 - Step 5: Solve for x
x = 232,820,490,072.15/741,856.21 - Step 6: Final answer
x = 313,835.06
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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.