Finding the Fourth Proportional to 834,501.42, 1,151,611.92 and 452,529.09
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Solution
The fourth proportional to 834,501.42, 1,151,611.92 and 452,529.09 is: 624,490.12
Step by Step Solution
- Step 1: Write the proportion equation
834,501.42 : 1,151,611.92 = 452,529.09 : x - Step 2: Convert to fraction form
834,501.42/1,151,611.92 = 452,529.09/x - Step 3: Cross multiply
834,501.42x = 1,151,611.92 × 452,529.09 - Step 4: Simplify right side
834,501.42x = 521,137,894,190.75 - Step 5: Solve for x
x = 521,137,894,190.75/834,501.42 - Step 6: Final answer
x = 624,490.12
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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.