Finding the Fourth Proportional to 721,617.75, 1,082,404.26 and 342,811.08
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Solution
The fourth proportional to 721,617.75, 1,082,404.26 and 342,811.08 is: 514,206.00
Step by Step Solution
- Step 1: Write the proportion equation
721,617.75 : 1,082,404.26 = 342,811.08 : x - Step 2: Convert to fraction form
721,617.75/1,082,404.26 = 342,811.08/x - Step 3: Cross multiply
721,617.75x = 1,082,404.26 × 342,811.08 - Step 4: Simplify right side
721,617.75x = 371,060,173,367.20 - Step 5: Solve for x
x = 371,060,173,367.20/721,617.75 - Step 6: Final answer
x = 514,206.00
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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.