Finding the Fourth Proportional to 993,156.98, 1,489,883.68 and 460,731.82
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Solution
The fourth proportional to 993,156.98, 1,489,883.68 and 460,731.82 is: 691,166.49
Step by Step Solution
- Step 1: Write the proportion equation
993,156.98 : 1,489,883.68 = 460,731.82 : x - Step 2: Convert to fraction form
993,156.98/1,489,883.68 = 460,731.82/x - Step 3: Cross multiply
993,156.98x = 1,489,883.68 × 460,731.82 - Step 4: Simplify right side
993,156.98x = 686,436,819,474.70 - Step 5: Solve for x
x = 686,436,819,474.70/993,156.98 - Step 6: Final answer
x = 691,166.49
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1.5x scale
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.