Finding the Fourth Proportional to 488,812.30, 733,874.55 and 312,102.70
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Solution
The fourth proportional to 488,812.30, 733,874.55 and 312,102.70 is: 468,572.96
Step by Step Solution
- Step 1: Write the proportion equation
488,812.30 : 733,874.55 = 312,102.70 : x - Step 2: Convert to fraction form
488,812.30/733,874.55 = 312,102.70/x - Step 3: Cross multiply
488,812.30x = 733,874.55 × 312,102.70 - Step 4: Simplify right side
488,812.30x = 229,044,228,516.29 - Step 5: Solve for x
x = 229,044,228,516.29/488,812.30 - Step 6: Final answer
x = 468,572.96
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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.