Finding the Fourth Proportional to 736,747.94, 1,105,122.20 and 331,466.91
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Solution
The fourth proportional to 736,747.94, 1,105,122.20 and 331,466.91 is: 497,200.50
Step by Step Solution
- Step 1: Write the proportion equation
736,747.94 : 1,105,122.20 = 331,466.91 : x - Step 2: Convert to fraction form
736,747.94/1,105,122.20 = 331,466.91/x - Step 3: Cross multiply
736,747.94x = 1,105,122.20 × 331,466.91 - Step 4: Simplify right side
736,747.94x = 366,311,440,806.40 - Step 5: Solve for x
x = 366,311,440,806.40/736,747.94 - Step 6: Final answer
x = 497,200.50
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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.