Finding the Fourth Proportional to 849,420.43, 1,273,244.90 and 344,330.03
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Solution
The fourth proportional to 849,420.43, 1,273,244.90 and 344,330.03 is: 516,135.99
Step by Step Solution
- Step 1: Write the proportion equation
849,420.43 : 1,273,244.90 = 344,330.03 : x - Step 2: Convert to fraction form
849,420.43/1,273,244.90 = 344,330.03/x - Step 3: Cross multiply
849,420.43x = 1,273,244.90 × 344,330.03 - Step 4: Simplify right side
849,420.43x = 438,416,456,075.81 - Step 5: Solve for x
x = 438,416,456,075.81/849,420.43 - Step 6: Final answer
x = 516,135.99
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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.