Finding the Fourth Proportional to 891,286.26, 1,337,150.79 and 442,217.94
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Solution
The fourth proportional to 891,286.26, 1,337,150.79 and 442,217.94 is: 663,436.76
Step by Step Solution
- Step 1: Write the proportion equation
891,286.26 : 1,337,150.79 = 442,217.94 : x - Step 2: Convert to fraction form
891,286.26/1,337,150.79 = 442,217.94/x - Step 3: Cross multiply
891,286.26x = 1,337,150.79 × 442,217.94 - Step 4: Simplify right side
891,286.26x = 591,312,067,823.17 - Step 5: Solve for x
x = 591,312,067,823.17/891,286.26 - Step 6: Final answer
x = 663,436.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.