Finding the Fourth Proportional to 741,064.95, 1,022,689.49 and 450,576.63
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Solution
The fourth proportional to 741,064.95, 1,022,689.49 and 450,576.63 is: 621,807.82
Step by Step Solution
- Step 1: Write the proportion equation
741,064.95 : 1,022,689.49 = 450,576.63 : x - Step 2: Convert to fraction form
741,064.95/1,022,689.49 = 450,576.63/x - Step 3: Cross multiply
741,064.95x = 1,022,689.49 × 450,576.63 - Step 4: Simplify right side
741,064.95x = 460,799,981,687.74 - Step 5: Solve for x
x = 460,799,981,687.74/741,064.95 - Step 6: Final answer
x = 621,807.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.