Finding the Fourth Proportional to 864,653.76, 1,193,202.36 and 482,716.08
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Solution
The fourth proportional to 864,653.76, 1,193,202.36 and 482,716.08 is: 666,137.12
Step by Step Solution
- Step 1: Write the proportion equation
864,653.76 : 1,193,202.36 = 482,716.08 : x - Step 2: Convert to fraction form
864,653.76/1,193,202.36 = 482,716.08/x - Step 3: Cross multiply
864,653.76x = 1,193,202.36 × 482,716.08 - Step 4: Simplify right side
864,653.76x = 575,977,965,865.95 - Step 5: Solve for x
x = 575,977,965,865.95/864,653.76 - Step 6: Final answer
x = 666,137.12
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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.