Finding the Fourth Proportional to 778,777.68, 1,168,232.08 and 246,286.88
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Solution
The fourth proportional to 778,777.68, 1,168,232.08 and 246,286.88 is: 369,451.05
Step by Step Solution
- Step 1: Write the proportion equation
778,777.68 : 1,168,232.08 = 246,286.88 : x - Step 2: Convert to fraction form
778,777.68/1,168,232.08 = 246,286.88/x - Step 3: Cross multiply
778,777.68x = 1,168,232.08 × 246,286.88 - Step 4: Simplify right side
778,777.68x = 287,720,234,099.11 - Step 5: Solve for x
x = 287,720,234,099.11/778,777.68 - Step 6: Final answer
x = 369,451.05
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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.