Finding the Fourth Proportional to 989,553.87, 1,365,586.99 and 536,844.87
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Solution
The fourth proportional to 989,553.87, 1,365,586.99 and 536,844.87 is: 740,847.36
Step by Step Solution
- Step 1: Write the proportion equation
989,553.87 : 1,365,586.99 = 536,844.87 : x - Step 2: Convert to fraction form
989,553.87/1,365,586.99 = 536,844.87/x - Step 3: Cross multiply
989,553.87x = 1,365,586.99 × 536,844.87 - Step 4: Simplify right side
989,553.87x = 733,108,368,778.13 - Step 5: Solve for x
x = 733,108,368,778.13/989,553.87 - Step 6: Final answer
x = 740,847.36
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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.