Finding the Fourth Proportional to 807,997.73, 1,114,830.20 and 513,540.05
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Solution
The fourth proportional to 807,997.73, 1,114,830.20 and 513,540.05 is: 708,553.92
Step by Step Solution
- Step 1: Write the proportion equation
807,997.73 : 1,114,830.20 = 513,540.05 : x - Step 2: Convert to fraction form
807,997.73/1,114,830.20 = 513,540.05/x - Step 3: Cross multiply
807,997.73x = 1,114,830.20 × 513,540.05 - Step 4: Simplify right side
807,997.73x = 572,509,952,359.21 - Step 5: Solve for x
x = 572,509,952,359.21/807,997.73 - Step 6: Final answer
x = 708,553.92
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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.