Finding the Fourth Proportional to 894,012.53, 1,233,739.50 and 486,114.14
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Solution
The fourth proportional to 894,012.53, 1,233,739.50 and 486,114.14 is: 670,838.71
Step by Step Solution
- Step 1: Write the proportion equation
894,012.53 : 1,233,739.50 = 486,114.14 : x - Step 2: Convert to fraction form
894,012.53/1,233,739.50 = 486,114.14/x - Step 3: Cross multiply
894,012.53x = 1,233,739.50 × 486,114.14 - Step 4: Simplify right side
894,012.53x = 599,738,209,857.83 - Step 5: Solve for x
x = 599,738,209,857.83/894,012.53 - Step 6: Final answer
x = 670,838.71
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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.