Finding the Fourth Proportional to 873,284.88, 1,205,068.68 and 491,238.12
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Solution
The fourth proportional to 873,284.88, 1,205,068.68 and 491,238.12 is: 677,872.35
Step by Step Solution
- Step 1: Write the proportion equation
873,284.88 : 1,205,068.68 = 491,238.12 : x - Step 2: Convert to fraction form
873,284.88/1,205,068.68 = 491,238.12/x - Step 3: Cross multiply
873,284.88x = 1,205,068.68 × 491,238.12 - Step 4: Simplify right side
873,284.88x = 591,975,672,834.08 - Step 5: Solve for x
x = 591,975,672,834.08/873,284.88 - Step 6: Final answer
x = 677,872.35
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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.