Finding the Fourth Proportional to 810,594.12, 1,118,677.80 and 448,010.18
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Solution
The fourth proportional to 810,594.12, 1,118,677.80 and 448,010.18 is: 618,286.06
Step by Step Solution
- Step 1: Write the proportion equation
810,594.12 : 1,118,677.80 = 448,010.18 : x - Step 2: Convert to fraction form
810,594.12/1,118,677.80 = 448,010.18/x - Step 3: Cross multiply
810,594.12x = 1,118,677.80 × 448,010.18 - Step 4: Simplify right side
810,594.12x = 501,179,042,540.00 - Step 5: Solve for x
x = 501,179,042,540.00/810,594.12 - Step 6: Final answer
x = 618,286.06
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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.