Finding the Fourth Proportional to 397,246.60, 595,869.90 and 394,913.80
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Solution
The fourth proportional to 397,246.60, 595,869.90 and 394,913.80 is: 592,370.70
Step by Step Solution
- Step 1: Write the proportion equation
397,246.60 : 595,869.90 = 394,913.80 : x - Step 2: Convert to fraction form
397,246.60/595,869.90 = 394,913.80/x - Step 3: Cross multiply
397,246.60x = 595,869.90 × 394,913.80 - Step 4: Simplify right side
397,246.60x = 235,317,246,514.62 - Step 5: Solve for x
x = 235,317,246,514.62/397,246.60 - Step 6: Final answer
x = 592,370.70
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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.