Finding the Fourth Proportional to 976,745.21, 1,465,282.53 and 336,877.79
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Solution
The fourth proportional to 976,745.21, 1,465,282.53 and 336,877.79 is: 505,373.49
Step by Step Solution
- Step 1: Write the proportion equation
976,745.21 : 1,465,282.53 = 336,877.79 : x - Step 2: Convert to fraction form
976,745.21/1,465,282.53 = 336,877.79/x - Step 3: Cross multiply
976,745.21x = 1,465,282.53 × 336,877.79 - Step 4: Simplify right side
976,745.21x = 493,621,133,105.60 - Step 5: Solve for x
x = 493,621,133,105.60/976,745.21 - Step 6: Final answer
x = 505,373.49
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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.