Finding the Fourth Proportional to 589,589.37, 813,381.21 and 385,285.68
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Solution
The fourth proportional to 589,589.37, 813,381.21 and 385,285.68 is: 531,529.48
Step by Step Solution
- Step 1: Write the proportion equation
589,589.37 : 813,381.21 = 385,285.68 : x - Step 2: Convert to fraction form
589,589.37/813,381.21 = 385,285.68/x - Step 3: Cross multiply
589,589.37x = 813,381.21 × 385,285.68 - Step 4: Simplify right side
589,589.37x = 313,384,132,594.07 - Step 5: Solve for x
x = 313,384,132,594.07/589,589.37 - Step 6: Final answer
x = 531,529.48
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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.