Finding the Fourth Proportional to 721,557.99, 1,082,710.29 and 523,512.99
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Solution
The fourth proportional to 721,557.99, 1,082,710.29 and 523,512.99 is: 785,540.33
Step by Step Solution
- Step 1: Write the proportion equation
721,557.99 : 1,082,710.29 = 523,512.99 : x - Step 2: Convert to fraction form
721,557.99/1,082,710.29 = 523,512.99/x - Step 3: Cross multiply
721,557.99x = 1,082,710.29 × 523,512.99 - Step 4: Simplify right side
721,557.99x = 566,812,903,184.84 - Step 5: Solve for x
x = 566,812,903,184.84/721,557.99 - Step 6: Final answer
x = 785,540.33
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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.