Finding the Fourth Proportional to 519,163.63, 779,409.65 and 440,775.88
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Solution
The fourth proportional to 519,163.63, 779,409.65 and 440,775.88 is: 661,727.74
Step by Step Solution
- Step 1: Write the proportion equation
519,163.63 : 779,409.65 = 440,775.88 : x - Step 2: Convert to fraction form
519,163.63/779,409.65 = 440,775.88/x - Step 3: Cross multiply
519,163.63x = 779,409.65 × 440,775.88 - Step 4: Simplify right side
519,163.63x = 343,544,974,359.24 - Step 5: Solve for x
x = 343,544,974,359.24/519,163.63 - Step 6: Final answer
x = 661,727.74
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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.