Finding the Fourth Proportional to 770,525.20, 1,154,232.60 and 534,134.80
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Solution
The fourth proportional to 770,525.20, 1,154,232.60 and 534,134.80 is: 800,124.12
Step by Step Solution
- Step 1: Write the proportion equation
770,525.20 : 1,154,232.60 = 534,134.80 : x - Step 2: Convert to fraction form
770,525.20/1,154,232.60 = 534,134.80/x - Step 3: Cross multiply
770,525.20x = 1,154,232.60 × 534,134.80 - Step 4: Simplify right side
770,525.20x = 616,515,798,954.48 - Step 5: Solve for x
x = 616,515,798,954.48/770,525.20 - Step 6: Final answer
x = 800,124.12
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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.