Finding the Fourth Proportional to 638,234.20, 957,788.70 and 283,502.80
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Solution
The fourth proportional to 638,234.20, 957,788.70 and 283,502.80 is: 425,448.49
Step by Step Solution
- Step 1: Write the proportion equation
638,234.20 : 957,788.70 = 283,502.80 : x - Step 2: Convert to fraction form
638,234.20/957,788.70 = 283,502.80/x - Step 3: Cross multiply
638,234.20x = 957,788.70 × 283,502.80 - Step 4: Simplify right side
638,234.20x = 271,535,778,258.36 - Step 5: Solve for x
x = 271,535,778,258.36/638,234.20 - Step 6: Final answer
x = 425,448.49
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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.