Finding the Fourth Proportional to 586,902.88, 809,929.36 and 345,195.68
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Solution
The fourth proportional to 586,902.88, 809,929.36 and 345,195.68 is: 476,372.03
Step by Step Solution
- Step 1: Write the proportion equation
586,902.88 : 809,929.36 = 345,195.68 : x - Step 2: Convert to fraction form
586,902.88/809,929.36 = 345,195.68/x - Step 3: Cross multiply
586,902.88x = 809,929.36 × 345,195.68 - Step 4: Simplify right side
586,902.88x = 279,584,116,177.17 - Step 5: Solve for x
x = 279,584,116,177.17/586,902.88 - Step 6: Final answer
x = 476,372.03
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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.