Finding the Fourth Proportional to 756,718.02, 1,135,072.92 and 324,371.81
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Solution
The fourth proportional to 756,718.02, 1,135,072.92 and 324,371.81 is: 486,555.95
Step by Step Solution
- Step 1: Write the proportion equation
756,718.02 : 1,135,072.92 = 324,371.81 : x - Step 2: Convert to fraction form
756,718.02/1,135,072.92 = 324,371.81/x - Step 3: Cross multiply
756,718.02x = 1,135,072.92 × 324,371.81 - Step 4: Simplify right side
756,718.02x = 368,185,651,867.02 - Step 5: Solve for x
x = 368,185,651,867.02/756,718.02 - Step 6: Final answer
x = 486,555.95
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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.