Finding the Fourth Proportional to 576,315.42, 865,081.84 and 323,811.70
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Solution
The fourth proportional to 576,315.42, 865,081.84 and 323,811.70 is: 486,059.56
Step by Step Solution
- Step 1: Write the proportion equation
576,315.42 : 865,081.84 = 323,811.70 : x - Step 2: Convert to fraction form
576,315.42/865,081.84 = 323,811.70/x - Step 3: Cross multiply
576,315.42x = 865,081.84 × 323,811.70 - Step 4: Simplify right side
576,315.42x = 280,123,621,249.53 - Step 5: Solve for x
x = 280,123,621,249.53/576,315.42 - Step 6: Final answer
x = 486,059.56
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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.