Finding the Fourth Proportional to 813,372.92, 1,218,860.49 and 453,047.73
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Solution
The fourth proportional to 813,372.92, 1,218,860.49 and 453,047.73 is: 678,903.82
Step by Step Solution
- Step 1: Write the proportion equation
813,372.92 : 1,218,860.49 = 453,047.73 : x - Step 2: Convert to fraction form
813,372.92/1,218,860.49 = 453,047.73/x - Step 3: Cross multiply
813,372.92x = 1,218,860.49 × 453,047.73 - Step 4: Simplify right side
813,372.92x = 552,201,978,181.19 - Step 5: Solve for x
x = 552,201,978,181.19/813,372.92 - Step 6: Final answer
x = 678,903.82
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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.