Finding the Fourth Proportional to 735,029.80, 1,102,674.30 and 261,989.80
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Solution
The fourth proportional to 735,029.80, 1,102,674.30 and 261,989.80 is: 393,030.89
Step by Step Solution
- Step 1: Write the proportion equation
735,029.80 : 1,102,674.30 = 261,989.80 : x - Step 2: Convert to fraction form
735,029.80/1,102,674.30 = 261,989.80/x - Step 3: Cross multiply
735,029.80x = 1,102,674.30 × 261,989.80 - Step 4: Simplify right side
735,029.80x = 288,889,419,322.14 - Step 5: Solve for x
x = 288,889,419,322.14/735,029.80 - Step 6: Final answer
x = 393,030.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.