Finding the Fourth Proportional to 838,081.08, 1,156,529.68 and 456,099.68
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Solution
The fourth proportional to 838,081.08, 1,156,529.68 and 456,099.68 is: 629,405.47
Step by Step Solution
- Step 1: Write the proportion equation
838,081.08 : 1,156,529.68 = 456,099.68 : x - Step 2: Convert to fraction form
838,081.08/1,156,529.68 = 456,099.68/x - Step 3: Cross multiply
838,081.08x = 1,156,529.68 × 456,099.68 - Step 4: Simplify right side
838,081.08x = 527,492,816,958.50 - Step 5: Solve for x
x = 527,492,816,958.50/838,081.08 - Step 6: Final answer
x = 629,405.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.