Finding the Fourth Proportional to 810,277.30, 1,118,205.24 and 447,724.63
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Solution
The fourth proportional to 810,277.30, 1,118,205.24 and 447,724.63 is: 617,872.46
Step by Step Solution
- Step 1: Write the proportion equation
810,277.30 : 1,118,205.24 = 447,724.63 : x - Step 2: Convert to fraction form
810,277.30/1,118,205.24 = 447,724.63/x - Step 3: Cross multiply
810,277.30x = 1,118,205.24 × 447,724.63 - Step 4: Simplify right side
810,277.30x = 500,648,027,343.06 - Step 5: Solve for x
x = 500,648,027,343.06/810,277.30 - Step 6: Final answer
x = 617,872.46
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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.