Finding the Fourth Proportional to 576,313.42, 865,078.84 and 323,809.70
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Solution
The fourth proportional to 576,313.42, 865,078.84 and 323,809.70 is: 486,056.56
Step by Step Solution
- Step 1: Write the proportion equation
576,313.42 : 865,078.84 = 323,809.70 : x - Step 2: Convert to fraction form
576,313.42/865,078.84 = 323,809.70/x - Step 3: Cross multiply
576,313.42x = 865,078.84 × 323,809.70 - Step 4: Simplify right side
576,313.42x = 280,120,919,656.75 - Step 5: Solve for x
x = 280,120,919,656.75/576,313.42 - Step 6: Final answer
x = 486,056.56
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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.