Finding the Fourth Proportional to 522,689.13, 783,344.79 and 206,973.81
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Solution
The fourth proportional to 522,689.13, 783,344.79 and 206,973.81 is: 310,187.92
Step by Step Solution
- Step 1: Write the proportion equation
522,689.13 : 783,344.79 = 206,973.81 : x - Step 2: Convert to fraction form
522,689.13/783,344.79 = 206,973.81/x - Step 3: Cross multiply
522,689.13x = 783,344.79 × 206,973.81 - Step 4: Simplify right side
522,689.13x = 162,131,855,729.95 - Step 5: Solve for x
x = 162,131,855,729.95/522,689.13 - Step 6: Final answer
x = 310,187.92
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1.5x scale
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.