Finding the Fourth Proportional to 993,920.29, 1,490,702.94 and 264,447.70
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Solution
The fourth proportional to 993,920.29, 1,490,702.94 and 264,447.70 is: 396,624.32
Step by Step Solution
- Step 1: Write the proportion equation
993,920.29 : 1,490,702.94 = 264,447.70 : x - Step 2: Convert to fraction form
993,920.29/1,490,702.94 = 264,447.70/x - Step 3: Cross multiply
993,920.29x = 1,490,702.94 × 264,447.70 - Step 4: Simplify right side
993,920.29x = 394,212,960,139.48 - Step 5: Solve for x
x = 394,212,960,139.48/993,920.29 - Step 6: Final answer
x = 396,624.32
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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.