Finding the Fourth Proportional to 939,631.96, 1,296,692.92 and 509,912.08
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Solution
The fourth proportional to 939,631.96, 1,296,692.92 and 509,912.08 is: 703,679.11
Step by Step Solution
- Step 1: Write the proportion equation
939,631.96 : 1,296,692.92 = 509,912.08 : x - Step 2: Convert to fraction form
939,631.96/1,296,692.92 = 509,912.08/x - Step 3: Cross multiply
939,631.96x = 1,296,692.92 × 509,912.08 - Step 4: Simplify right side
939,631.96x = 661,199,383,958.47 - Step 5: Solve for x
x = 661,199,383,958.47/939,631.96 - Step 6: Final answer
x = 703,679.11
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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.