Finding the Fourth Proportional to 903,287.19, 1,246,446.49 and 521,436.99
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Solution
The fourth proportional to 903,287.19, 1,246,446.49 and 521,436.99 is: 719,531.19
Step by Step Solution
- Step 1: Write the proportion equation
903,287.19 : 1,246,446.49 = 521,436.99 : x - Step 2: Convert to fraction form
903,287.19/1,246,446.49 = 521,436.99/x - Step 3: Cross multiply
903,287.19x = 1,246,446.49 × 521,436.99 - Step 4: Simplify right side
903,287.19x = 649,943,305,941.67 - Step 5: Solve for x
x = 649,943,305,941.67/903,287.19 - Step 6: Final answer
x = 719,531.19
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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.