Finding the Fourth Proportional to 607,448.64, 911,409.12 and 252,373.44
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Solution
The fourth proportional to 607,448.64, 911,409.12 and 252,373.44 is: 378,658.28
Step by Step Solution
- Step 1: Write the proportion equation
607,448.64 : 911,409.12 = 252,373.44 : x - Step 2: Convert to fraction form
607,448.64/911,409.12 = 252,373.44/x - Step 3: Cross multiply
607,448.64x = 911,409.12 × 252,373.44 - Step 4: Simplify right side
607,448.64x = 230,015,454,861.77 - Step 5: Solve for x
x = 230,015,454,861.77/607,448.64 - Step 6: Final answer
x = 378,658.28
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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.