Finding the Fourth Proportional to 1,528,165.08, 2,292,245.10 and 406,234.20
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Solution
The fourth proportional to 1,528,165.08, 2,292,245.10 and 406,234.20 is: 609,350.63
Step by Step Solution
- Step 1: Write the proportion equation
1,528,165.08 : 2,292,245.10 = 406,234.20 : x - Step 2: Convert to fraction form
1,528,165.08/2,292,245.10 = 406,234.20/x - Step 3: Cross multiply
1,528,165.08x = 2,292,245.10 × 406,234.20 - Step 4: Simplify right side
1,528,165.08x = 931,188,354,402.42 - Step 5: Solve for x
x = 931,188,354,402.42/1,528,165.08 - Step 6: Final answer
x = 609,350.63
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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.