Finding the Fourth Proportional to 907,936.80, 1,252,912.36 and 520,474.44
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Solution
The fourth proportional to 907,936.80, 1,252,912.36 and 520,474.44 is: 718,231.55
Step by Step Solution
- Step 1: Write the proportion equation
907,936.80 : 1,252,912.36 = 520,474.44 : x - Step 2: Convert to fraction form
907,936.80/1,252,912.36 = 520,474.44/x - Step 3: Cross multiply
907,936.80x = 1,252,912.36 × 520,474.44 - Step 4: Simplify right side
907,936.80x = 652,108,858,940.08 - Step 5: Solve for x
x = 652,108,858,940.08/907,936.80 - Step 6: Final answer
x = 718,231.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.