Finding the Fourth Proportional to 804,980.43, 1,207,458.35 and 205,936.53
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Solution
The fourth proportional to 804,980.43, 1,207,458.35 and 205,936.53 is: 308,901.65
Step by Step Solution
- Step 1: Write the proportion equation
804,980.43 : 1,207,458.35 = 205,936.53 : x - Step 2: Convert to fraction form
804,980.43/1,207,458.35 = 205,936.53/x - Step 3: Cross multiply
804,980.43x = 1,207,458.35 × 205,936.53 - Step 4: Simplify right side
804,980.43x = 248,659,782,718.53 - Step 5: Solve for x
x = 248,659,782,718.53/804,980.43 - Step 6: Final answer
x = 308,901.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.