Finding the Fourth Proportional to 1,129,750.08, 1,694,858.40 and 331,057.68
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Solution
The fourth proportional to 1,129,750.08, 1,694,858.40 and 331,057.68 is: 496,654.88
Step by Step Solution
- Step 1: Write the proportion equation
1,129,750.08 : 1,694,858.40 = 331,057.68 : x - Step 2: Convert to fraction form
1,129,750.08/1,694,858.40 = 331,057.68/x - Step 3: Cross multiply
1,129,750.08x = 1,694,858.40 × 331,057.68 - Step 4: Simplify right side
1,129,750.08x = 561,095,889,832.51 - Step 5: Solve for x
x = 561,095,889,832.51/1,129,750.08 - Step 6: Final answer
x = 496,654.88
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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.