Finding the Fourth Proportional to 1,330,604.10, 1,995,517.35 and 477,576.90
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Solution
The fourth proportional to 1,330,604.10, 1,995,517.35 and 477,576.90 is: 716,225.80
Step by Step Solution
- Step 1: Write the proportion equation
1,330,604.10 : 1,995,517.35 = 477,576.90 : x - Step 2: Convert to fraction form
1,330,604.10/1,995,517.35 = 477,576.90/x - Step 3: Cross multiply
1,330,604.10x = 1,995,517.35 × 477,576.90 - Step 4: Simplify right side
1,330,604.10x = 953,012,989,909.22 - Step 5: Solve for x
x = 953,012,989,909.22/1,330,604.10 - Step 6: Final answer
x = 716,225.80
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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.