Finding the Fourth Proportional to 622,364.10, 931,213.35 and 412,412.10
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Solution
The fourth proportional to 622,364.10, 931,213.35 and 412,412.10 is: 617,072.31
Step by Step Solution
- Step 1: Write the proportion equation
622,364.10 : 931,213.35 = 412,412.10 : x - Step 2: Convert to fraction form
622,364.10/931,213.35 = 412,412.10/x - Step 3: Cross multiply
622,364.10x = 931,213.35 × 412,412.10 - Step 4: Simplify right side
622,364.10x = 384,043,653,221.54 - Step 5: Solve for x
x = 384,043,653,221.54/622,364.10 - Step 6: Final answer
x = 617,072.31
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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.