Finding the Fourth Proportional to 819,541.22, 1,226,993.60 and 434,412.54
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Solution
The fourth proportional to 819,541.22, 1,226,993.60 and 434,412.54 is: 650,389.99
Step by Step Solution
- Step 1: Write the proportion equation
819,541.22 : 1,226,993.60 = 434,412.54 : x - Step 2: Convert to fraction form
819,541.22/1,226,993.60 = 434,412.54/x - Step 3: Cross multiply
819,541.22x = 1,226,993.60 × 434,412.54 - Step 4: Simplify right side
819,541.22x = 533,021,404,167.68 - Step 5: Solve for x
x = 533,021,404,167.68/819,541.22 - Step 6: Final answer
x = 650,389.99
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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.