Finding the Fourth Proportional to 804,965.15, 1,207,447.73 and 720,984.35
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Solution
The fourth proportional to 804,965.15, 1,207,447.73 and 720,984.35 is: 1,081,476.53
Step by Step Solution
- Step 1: Write the proportion equation
804,965.15 : 1,207,447.73 = 720,984.35 : x - Step 2: Convert to fraction form
804,965.15/1,207,447.73 = 720,984.35/x - Step 3: Cross multiply
804,965.15x = 1,207,447.73 × 720,984.35 - Step 4: Simplify right side
804,965.15x = 870,550,916,773.03 - Step 5: Solve for x
x = 870,550,916,773.03/804,965.15 - Step 6: Final answer
x = 1,081,476.53
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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.