Finding the Fourth Proportional to 873,267.40, 1,205,107.14 and 491,294.44
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Solution
The fourth proportional to 873,267.40, 1,205,107.14 and 491,294.44 is: 677,985.27
Step by Step Solution
- Step 1: Write the proportion equation
873,267.40 : 1,205,107.14 = 491,294.44 : x - Step 2: Convert to fraction form
873,267.40/1,205,107.14 = 491,294.44/x - Step 3: Cross multiply
873,267.40x = 1,205,107.14 × 491,294.44 - Step 4: Simplify right side
873,267.40x = 592,062,437,486.30 - Step 5: Solve for x
x = 592,062,437,486.30/873,267.40 - Step 6: Final answer
x = 677,985.27
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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.