Finding the Fourth Proportional to 1,034,257.80, 1,551,386.70 and 324,343.08
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Solution
The fourth proportional to 1,034,257.80, 1,551,386.70 and 324,343.08 is: 486,514.62
Step by Step Solution
- Step 1: Write the proportion equation
1,034,257.80 : 1,551,386.70 = 324,343.08 : x - Step 2: Convert to fraction form
1,034,257.80/1,551,386.70 = 324,343.08/x - Step 3: Cross multiply
1,034,257.80x = 1,551,386.70 × 324,343.08 - Step 4: Simplify right side
1,034,257.80x = 503,181,540,549.04 - Step 5: Solve for x
x = 503,181,540,549.04/1,034,257.80 - Step 6: Final answer
x = 486,514.62
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Similar ratio
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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.