Finding the Fourth Proportional to 571,941.82, 788,561.57 and 418,713.99
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Solution
The fourth proportional to 571,941.82, 788,561.57 and 418,713.99 is: 577,299.56
Step by Step Solution
- Step 1: Write the proportion equation
571,941.82 : 788,561.57 = 418,713.99 : x - Step 2: Convert to fraction form
571,941.82/788,561.57 = 418,713.99/x - Step 3: Cross multiply
571,941.82x = 788,561.57 × 418,713.99 - Step 4: Simplify right side
571,941.82x = 330,181,762,382.15 - Step 5: Solve for x
x = 330,181,762,382.15/571,941.82 - Step 6: Final answer
x = 577,299.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.