Finding the Fourth Proportional to 809,753.94, 1,117,453.86 and 447,202.26
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Solution
The fourth proportional to 809,753.94, 1,117,453.86 and 447,202.26 is: 617,135.49
Step by Step Solution
- Step 1: Write the proportion equation
809,753.94 : 1,117,453.86 = 447,202.26 : x - Step 2: Convert to fraction form
809,753.94/1,117,453.86 = 447,202.26/x - Step 3: Cross multiply
809,753.94x = 1,117,453.86 × 447,202.26 - Step 4: Simplify right side
809,753.94x = 499,727,891,637.72 - Step 5: Solve for x
x = 499,727,891,637.72/809,753.94 - Step 6: Final answer
x = 617,135.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.