Finding the Fourth Proportional to 808,612.29, 1,213,027.79 and 275,990.31
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Solution
The fourth proportional to 808,612.29, 1,213,027.79 and 275,990.31 is: 414,022.79
Step by Step Solution
- Step 1: Write the proportion equation
808,612.29 : 1,213,027.79 = 275,990.31 : x - Step 2: Convert to fraction form
808,612.29/1,213,027.79 = 275,990.31/x - Step 3: Cross multiply
808,612.29x = 1,213,027.79 × 275,990.31 - Step 4: Simplify right side
808,612.29x = 334,783,914,420.76 - Step 5: Solve for x
x = 334,783,914,420.76/808,612.29 - Step 6: Final answer
x = 414,022.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.