Finding the Fourth Proportional to 756,730.85, 1,135,092.12 and 324,384.63
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Solution
The fourth proportional to 756,730.85, 1,135,092.12 and 324,384.63 is: 486,575.17
Step by Step Solution
- Step 1: Write the proportion equation
756,730.85 : 1,135,092.12 = 324,384.63 : x - Step 2: Convert to fraction form
756,730.85/1,135,092.12 = 324,384.63/x - Step 3: Cross multiply
756,730.85x = 1,135,092.12 × 324,384.63 - Step 4: Simplify right side
756,730.85x = 368,206,437,362.12 - Step 5: Solve for x
x = 368,206,437,362.12/756,730.85 - Step 6: Final answer
x = 486,575.17
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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.