Finding the Fourth Proportional to 762,331.25, 1,143,079.14 and 351,554.63
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Solution
The fourth proportional to 762,331.25, 1,143,079.14 and 351,554.63 is: 527,139.31
Step by Step Solution
- Step 1: Write the proportion equation
762,331.25 : 1,143,079.14 = 351,554.63 : x - Step 2: Convert to fraction form
762,331.25/1,143,079.14 = 351,554.63/x - Step 3: Cross multiply
762,331.25x = 1,143,079.14 × 351,554.63 - Step 4: Simplify right side
762,331.25x = 401,854,764,178.68 - Step 5: Solve for x
x = 401,854,764,178.68/762,331.25 - Step 6: Final answer
x = 527,139.31
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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.