Finding the Fourth Proportional to 804,433.82, 1,206,649.61 and 205,395.08
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Solution
The fourth proportional to 804,433.82, 1,206,649.61 and 205,395.08 is: 308,092.33
Step by Step Solution
- Step 1: Write the proportion equation
804,433.82 : 1,206,649.61 = 205,395.08 : x - Step 2: Convert to fraction form
804,433.82/1,206,649.61 = 205,395.08/x - Step 3: Cross multiply
804,433.82x = 1,206,649.61 × 205,395.08 - Step 4: Simplify right side
804,433.82x = 247,839,886,887.93 - Step 5: Solve for x
x = 247,839,886,887.93/804,433.82 - Step 6: Final answer
x = 308,092.33
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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.