Finding the Fourth Proportional to 1,160,052.12, 1,740,161.12 and 485,454.12
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Solution
The fourth proportional to 1,160,052.12, 1,740,161.12 and 485,454.12 is: 728,215.89
Step by Step Solution
- Step 1: Write the proportion equation
1,160,052.12 : 1,740,161.12 = 485,454.12 : x - Step 2: Convert to fraction form
1,160,052.12/1,740,161.12 = 485,454.12/x - Step 3: Cross multiply
1,160,052.12x = 1,740,161.12 × 485,454.12 - Step 4: Simplify right side
1,160,052.12x = 844,768,385,167.82 - Step 5: Solve for x
x = 844,768,385,167.82/1,160,052.12 - Step 6: Final answer
x = 728,215.89
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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.