Finding the Fourth Proportional to 822,843.24, 1,135,609.14 and 473,995.71
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Solution
The fourth proportional to 822,843.24, 1,135,609.14 and 473,995.71 is: 654,163.31
Step by Step Solution
- Step 1: Write the proportion equation
822,843.24 : 1,135,609.14 = 473,995.71 : x - Step 2: Convert to fraction form
822,843.24/1,135,609.14 = 473,995.71/x - Step 3: Cross multiply
822,843.24x = 1,135,609.14 × 473,995.71 - Step 4: Simplify right side
822,843.24x = 538,273,860,596.79 - Step 5: Solve for x
x = 538,273,860,596.79/822,843.24 - Step 6: Final answer
x = 654,163.31
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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.