Finding the Fourth Proportional to 756,771.68, 1,135,813.38 and 397,196.52
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Solution
The fourth proportional to 756,771.68, 1,135,813.38 and 397,196.52 is: 596,139.02
Step by Step Solution
- Step 1: Write the proportion equation
756,771.68 : 1,135,813.38 = 397,196.52 : x - Step 2: Convert to fraction form
756,771.68/1,135,813.38 = 397,196.52/x - Step 3: Cross multiply
756,771.68x = 1,135,813.38 × 397,196.52 - Step 4: Simplify right side
756,771.68x = 451,141,121,905.44 - Step 5: Solve for x
x = 451,141,121,905.44/756,771.68 - Step 6: Final answer
x = 596,139.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.