Finding the Fourth Proportional to 1,040,700.23, 1,560,931.10 and 272,272.12
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Solution
The fourth proportional to 1,040,700.23, 1,560,931.10 and 272,272.12 is: 408,376.98
Step by Step Solution
- Step 1: Write the proportion equation
1,040,700.23 : 1,560,931.10 = 272,272.12 : x - Step 2: Convert to fraction form
1,040,700.23/1,560,931.10 = 272,272.12/x - Step 3: Cross multiply
1,040,700.23x = 1,560,931.10 × 272,272.12 - Step 4: Simplify right side
1,040,700.23x = 424,998,018,409.57 - Step 5: Solve for x
x = 424,998,018,409.57/1,040,700.23 - Step 6: Final answer
x = 408,376.98
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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.