Finding the Fourth Proportional to 767,157.58, 1,150,628.84 and 407,170.09
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Solution
The fourth proportional to 767,157.58, 1,150,628.84 and 407,170.09 is: 610,698.07
Step by Step Solution
- Step 1: Write the proportion equation
767,157.58 : 1,150,628.84 = 407,170.09 : x - Step 2: Convert to fraction form
767,157.58/1,150,628.84 = 407,170.09/x - Step 3: Cross multiply
767,157.58x = 1,150,628.84 × 407,170.09 - Step 4: Simplify right side
767,157.58x = 468,501,651,559.05 - Step 5: Solve for x
x = 468,501,651,559.05/767,157.58 - Step 6: Final answer
x = 610,698.07
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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.