Finding the Fourth Proportional to 908,757.70, 1,363,136.55 and 731,610.70
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Solution
The fourth proportional to 908,757.70, 1,363,136.55 and 731,610.70 is: 1,097,416.05
Step by Step Solution
- Step 1: Write the proportion equation
908,757.70 : 1,363,136.55 = 731,610.70 : x - Step 2: Convert to fraction form
908,757.70/1,363,136.55 = 731,610.70/x - Step 3: Cross multiply
908,757.70x = 1,363,136.55 × 731,610.70 - Step 4: Simplify right side
908,757.70x = 997,285,285,541.09 - Step 5: Solve for x
x = 997,285,285,541.09/908,757.70 - Step 6: Final answer
x = 1,097,416.05
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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.