Finding the Fourth Proportional to 762,936.26, 1,052,803.05 and 476,439.26
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Solution
The fourth proportional to 762,936.26, 1,052,803.05 and 476,439.26 is: 657,455.59
Step by Step Solution
- Step 1: Write the proportion equation
762,936.26 : 1,052,803.05 = 476,439.26 : x - Step 2: Convert to fraction form
762,936.26/1,052,803.05 = 476,439.26/x - Step 3: Cross multiply
762,936.26x = 1,052,803.05 × 476,439.26 - Step 4: Simplify right side
762,936.26x = 501,596,706,067.74 - Step 5: Solve for x
x = 501,596,706,067.74/762,936.26 - Step 6: Final answer
x = 657,455.59
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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.