Finding the Fourth Proportional to 741,617.15, 1,112,327.33 and 209,181.06
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Solution
The fourth proportional to 741,617.15, 1,112,327.33 and 209,181.06 is: 313,743.84
Step by Step Solution
- Step 1: Write the proportion equation
741,617.15 : 1,112,327.33 = 209,181.06 : x - Step 2: Convert to fraction form
741,617.15/1,112,327.33 = 209,181.06/x - Step 3: Cross multiply
741,617.15x = 1,112,327.33 × 209,181.06 - Step 4: Simplify right side
741,617.15x = 232,677,808,910.46 - Step 5: Solve for x
x = 232,677,808,910.46/741,617.15 - Step 6: Final answer
x = 313,743.84
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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.