Finding the Fourth Proportional to 828,496.26, 1,143,313.95 and 465,920.02
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Solution
The fourth proportional to 828,496.26, 1,143,313.95 and 465,920.02 is: 642,963.50
Step by Step Solution
- Step 1: Write the proportion equation
828,496.26 : 1,143,313.95 = 465,920.02 : x - Step 2: Convert to fraction form
828,496.26/1,143,313.95 = 465,920.02/x - Step 3: Cross multiply
828,496.26x = 1,143,313.95 × 465,920.02 - Step 4: Simplify right side
828,496.26x = 532,692,858,450.28 - Step 5: Solve for x
x = 532,692,858,450.28/828,496.26 - Step 6: Final answer
x = 642,963.50
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1.5x scale
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.