Finding the Fourth Proportional to 486,165.96, 728,199.18 and 474,268.68
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Solution
The fourth proportional to 486,165.96, 728,199.18 and 474,268.68 is: 710,378.95
Step by Step Solution
- Step 1: Write the proportion equation
486,165.96 : 728,199.18 = 474,268.68 : x - Step 2: Convert to fraction form
486,165.96/728,199.18 = 474,268.68/x - Step 3: Cross multiply
486,165.96x = 728,199.18 × 474,268.68 - Step 4: Simplify right side
486,165.96x = 345,362,063,875.68 - Step 5: Solve for x
x = 345,362,063,875.68/486,165.96 - Step 6: Final answer
x = 710,378.95
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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.