Finding the Fourth Proportional to 1,129,761.36, 1,694,655.70 and 331,059.08
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Solution
The fourth proportional to 1,129,761.36, 1,694,655.70 and 331,059.08 is: 496,592.62
Step by Step Solution
- Step 1: Write the proportion equation
1,129,761.36 : 1,694,655.70 = 331,059.08 : x - Step 2: Convert to fraction form
1,129,761.36/1,694,655.70 = 331,059.08/x - Step 3: Cross multiply
1,129,761.36x = 1,694,655.70 × 331,059.08 - Step 4: Simplify right side
1,129,761.36x = 561,031,156,958.76 - Step 5: Solve for x
x = 561,031,156,958.76/1,129,761.36 - Step 6: Final answer
x = 496,592.62
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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.