Finding the Fourth Proportional to 740,414.80, 1,110,622.20 and 366,389.20
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Solution
The fourth proportional to 740,414.80, 1,110,622.20 and 366,389.20 is: 549,583.80
Step by Step Solution
- Step 1: Write the proportion equation
740,414.80 : 1,110,622.20 = 366,389.20 : x - Step 2: Convert to fraction form
740,414.80/1,110,622.20 = 366,389.20/x - Step 3: Cross multiply
740,414.80x = 1,110,622.20 × 366,389.20 - Step 4: Simplify right side
740,414.80x = 406,919,979,360.24 - Step 5: Solve for x
x = 406,919,979,360.24/740,414.80 - Step 6: Final answer
x = 549,583.80
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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.