Finding the Fourth Proportional to 762,235.24, 1,143,400.62 and 256,754.68
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Solution
The fourth proportional to 762,235.24, 1,143,400.62 and 256,754.68 is: 385,148.11
Step by Step Solution
- Step 1: Write the proportion equation
762,235.24 : 1,143,400.62 = 256,754.68 : x - Step 2: Convert to fraction form
762,235.24/1,143,400.62 = 256,754.68/x - Step 3: Cross multiply
762,235.24x = 1,143,400.62 × 256,754.68 - Step 4: Simplify right side
762,235.24x = 293,573,460,299.90 - Step 5: Solve for x
x = 293,573,460,299.90/762,235.24 - Step 6: Final answer
x = 385,148.11
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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.