Finding the Fourth Proportional to 489,579.53, 733,864.06 and 205,435.08
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Solution
The fourth proportional to 489,579.53, 733,864.06 and 205,435.08 is: 307,940.61
Step by Step Solution
- Step 1: Write the proportion equation
489,579.53 : 733,864.06 = 205,435.08 : x - Step 2: Convert to fraction form
489,579.53/733,864.06 = 205,435.08/x - Step 3: Cross multiply
489,579.53x = 733,864.06 × 205,435.08 - Step 4: Simplify right side
489,579.53x = 150,761,421,361.64 - Step 5: Solve for x
x = 150,761,421,361.64/489,579.53 - Step 6: Final answer
x = 307,940.61
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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.