Finding the Fourth Proportional to 741,664.16, 1,112,494.08 and 268,347.68
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Solution
The fourth proportional to 741,664.16, 1,112,494.08 and 268,347.68 is: 402,520.74
Step by Step Solution
- Step 1: Write the proportion equation
741,664.16 : 1,112,494.08 = 268,347.68 : x - Step 2: Convert to fraction form
741,664.16/1,112,494.08 = 268,347.68/x - Step 3: Cross multiply
741,664.16x = 1,112,494.08 × 268,347.68 - Step 4: Simplify right side
741,664.16x = 298,535,205,381.73 - Step 5: Solve for x
x = 298,535,205,381.73/741,664.16 - Step 6: Final answer
x = 402,520.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.