Finding the Fourth Proportional to 729,113.60, 1,092,892.80 and 279,660.80
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Solution
The fourth proportional to 729,113.60, 1,092,892.80 and 279,660.80 is: 419,192.94
Step by Step Solution
- Step 1: Write the proportion equation
729,113.60 : 1,092,892.80 = 279,660.80 : x - Step 2: Convert to fraction form
729,113.60/1,092,892.80 = 279,660.80/x - Step 3: Cross multiply
729,113.60x = 1,092,892.80 × 279,660.80 - Step 4: Simplify right side
729,113.60x = 305,639,274,762.24 - Step 5: Solve for x
x = 305,639,274,762.24/729,113.60 - Step 6: Final answer
x = 419,192.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.