Finding the Fourth Proportional to 531,074.11, 796,616.69 and 425,131.53
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Solution
The fourth proportional to 531,074.11, 796,616.69 and 425,131.53 is: 637,701.72
Step by Step Solution
- Step 1: Write the proportion equation
531,074.11 : 796,616.69 = 425,131.53 : x - Step 2: Convert to fraction form
531,074.11/796,616.69 = 425,131.53/x - Step 3: Cross multiply
531,074.11x = 796,616.69 × 425,131.53 - Step 4: Simplify right side
531,074.11x = 338,666,872,243.24 - Step 5: Solve for x
x = 338,666,872,243.24/531,074.11 - Step 6: Final answer
x = 637,701.72
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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.