Finding the Fourth Proportional to 658,908.83, 987,233.83 and 442,361.99
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Solution
The fourth proportional to 658,908.83, 987,233.83 and 442,361.99 is: 662,784.74
Step by Step Solution
- Step 1: Write the proportion equation
658,908.83 : 987,233.83 = 442,361.99 : x - Step 2: Convert to fraction form
658,908.83/987,233.83 = 442,361.99/x - Step 3: Cross multiply
658,908.83x = 987,233.83 × 442,361.99 - Step 4: Simplify right side
658,908.83x = 436,714,715,592.05 - Step 5: Solve for x
x = 436,714,715,592.05/658,908.83 - Step 6: Final answer
x = 662,784.74
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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.