Finding the Fourth Proportional to 602,392.88, 831,313.26 and 330,474.68
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Solution
The fourth proportional to 602,392.88, 831,313.26 and 330,474.68 is: 456,061.14
Step by Step Solution
- Step 1: Write the proportion equation
602,392.88 : 831,313.26 = 330,474.68 : x - Step 2: Convert to fraction form
602,392.88/831,313.26 = 330,474.68/x - Step 3: Cross multiply
602,392.88x = 831,313.26 × 330,474.68 - Step 4: Simplify right side
602,392.88x = 274,727,983,578.26 - Step 5: Solve for x
x = 274,727,983,578.26/602,392.88 - Step 6: Final answer
x = 456,061.14
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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.