Finding the Fourth Proportional to 577,343.80, 866,015.70 and 437,375.80
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Solution
The fourth proportional to 577,343.80, 866,015.70 and 437,375.80 is: 656,063.70
Step by Step Solution
- Step 1: Write the proportion equation
577,343.80 : 866,015.70 = 437,375.80 : x - Step 2: Convert to fraction form
577,343.80/866,015.70 = 437,375.80/x - Step 3: Cross multiply
577,343.80x = 866,015.70 × 437,375.80 - Step 4: Simplify right side
577,343.80x = 378,774,309,600.06 - Step 5: Solve for x
x = 378,774,309,600.06/577,343.80 - Step 6: Final answer
x = 656,063.70
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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.