Finding the Fourth Proportional to 603,738.18, 833,141.08 and 345,606.57
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Solution
The fourth proportional to 603,738.18, 833,141.08 and 345,606.57 is: 476,926.99
Step by Step Solution
- Step 1: Write the proportion equation
603,738.18 : 833,141.08 = 345,606.57 : x - Step 2: Convert to fraction form
603,738.18/833,141.08 = 345,606.57/x - Step 3: Cross multiply
603,738.18x = 833,141.08 × 345,606.57 - Step 4: Simplify right side
603,738.18x = 287,939,030,984.90 - Step 5: Solve for x
x = 287,939,030,984.90/603,738.18 - Step 6: Final answer
x = 476,926.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.