Finding the Fourth Proportional to 851,409.36, 1,175,149.62 and 511,812
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Solution
The fourth proportional to 851,409.36, 1,175,149.62 and 511,812 is: 706,423.61
Step by Step Solution
- Step 1: Write the proportion equation
851,409.36 : 1,175,149.62 = 511,812 : x - Step 2: Convert to fraction form
851,409.36/1,175,149.62 = 511,812/x - Step 3: Cross multiply
851,409.36x = 1,175,149.62 × 511,812 - Step 4: Simplify right side
851,409.36x = 601,455,677,311.44 - Step 5: Solve for x
x = 601,455,677,311.44/851,409.36 - Step 6: Final answer
x = 706,423.61
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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.