Finding the Fourth Proportional to 1,040,530.12, 1,560,795.80 and 292,576.12
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Solution
The fourth proportional to 1,040,530.12, 1,560,795.80 and 292,576.12 is: 438,864.35
Step by Step Solution
- Step 1: Write the proportion equation
1,040,530.12 : 1,560,795.80 = 292,576.12 : x - Step 2: Convert to fraction form
1,040,530.12/1,560,795.80 = 292,576.12/x - Step 3: Cross multiply
1,040,530.12x = 1,560,795.80 × 292,576.12 - Step 4: Simplify right side
1,040,530.12x = 456,651,579,276.30 - Step 5: Solve for x
x = 456,651,579,276.30/1,040,530.12 - Step 6: Final answer
x = 438,864.35
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1.5x scale
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.