Finding the Fourth Proportional to 645,902.70, 967,104.45 and 505,934.70
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Solution
The fourth proportional to 645,902.70, 967,104.45 and 505,934.70 is: 757,531.59
Step by Step Solution
- Step 1: Write the proportion equation
645,902.70 : 967,104.45 = 505,934.70 : x - Step 2: Convert to fraction form
645,902.70/967,104.45 = 505,934.70/x - Step 3: Cross multiply
645,902.70x = 967,104.45 × 505,934.70 - Step 4: Simplify right side
645,902.70x = 489,291,699,779.42 - Step 5: Solve for x
x = 489,291,699,779.42/645,902.70 - Step 6: Final answer
x = 757,531.59
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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.