Finding the Fourth Proportional to 1,129,708.08, 1,694,795.40 and 331,015.68
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Solution
The fourth proportional to 1,129,708.08, 1,694,795.40 and 331,015.68 is: 496,591.87
Step by Step Solution
- Step 1: Write the proportion equation
1,129,708.08 : 1,694,795.40 = 331,015.68 : x - Step 2: Convert to fraction form
1,129,708.08/1,694,795.40 = 331,015.68/x - Step 3: Cross multiply
1,129,708.08x = 1,694,795.40 × 331,015.68 - Step 4: Simplify right side
1,129,708.08x = 561,003,851,791.87 - Step 5: Solve for x
x = 561,003,851,791.87/1,129,708.08 - Step 6: Final answer
x = 496,591.87
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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.