Finding the Fourth Proportional to 488,772.60, 733,122.45 and 204,389.70
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Solution
The fourth proportional to 488,772.60, 733,122.45 and 204,389.70 is: 306,569.31
Step by Step Solution
- Step 1: Write the proportion equation
488,772.60 : 733,122.45 = 204,389.70 : x - Step 2: Convert to fraction form
488,772.60/733,122.45 = 204,389.70/x - Step 3: Cross multiply
488,772.60x = 733,122.45 × 204,389.70 - Step 4: Simplify right side
488,772.60x = 149,842,677,618.77 - Step 5: Solve for x
x = 149,842,677,618.77/488,772.60 - Step 6: Final answer
x = 306,569.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.