Finding the Fourth Proportional to 1,041,520.20, 1,562,366.70 and 331,528.20
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Solution
The fourth proportional to 1,041,520.20, 1,562,366.70 and 331,528.20 is: 497,319.80
Step by Step Solution
- Step 1: Write the proportion equation
1,041,520.20 : 1,562,366.70 = 331,528.20 : x - Step 2: Convert to fraction form
1,041,520.20/1,562,366.70 = 331,528.20/x - Step 3: Cross multiply
1,041,520.20x = 1,562,366.70 × 331,528.20 - Step 4: Simplify right side
1,041,520.20x = 517,968,619,790.94 - Step 5: Solve for x
x = 517,968,619,790.94/1,041,520.20 - Step 6: Final answer
x = 497,319.80
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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.