Finding the Fourth Proportional to 959,539.75, 1,324,281.50 and 557,131.75
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Solution
The fourth proportional to 959,539.75, 1,324,281.50 and 557,131.75 is: 768,909.54
Step by Step Solution
- Step 1: Write the proportion equation
959,539.75 : 1,324,281.50 = 557,131.75 : x - Step 2: Convert to fraction form
959,539.75/1,324,281.50 = 557,131.75/x - Step 3: Cross multiply
959,539.75x = 1,324,281.50 × 557,131.75 - Step 4: Simplify right side
959,539.75x = 737,799,269,587.63 - Step 5: Solve for x
x = 737,799,269,587.63/959,539.75 - Step 6: Final answer
x = 768,909.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.