Finding the Fourth Proportional to 521,596.19, 782,394.30 and 284,809.70
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Solution
The fourth proportional to 521,596.19, 782,394.30 and 284,809.70 is: 427,214.56
Step by Step Solution
- Step 1: Write the proportion equation
521,596.19 : 782,394.30 = 284,809.70 : x - Step 2: Convert to fraction form
521,596.19/782,394.30 = 284,809.70/x - Step 3: Cross multiply
521,596.19x = 782,394.30 × 284,809.70 - Step 4: Simplify right side
521,596.19x = 222,833,487,820.70 - Step 5: Solve for x
x = 222,833,487,820.70/521,596.19 - Step 6: Final answer
x = 427,214.56
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1.5x scale
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.