Finding the Fourth Proportional to 867,728.20, 1,301,786.70 and 335,201.80
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Solution
The fourth proportional to 867,728.20, 1,301,786.70 and 335,201.80 is: 502,877.80
Step by Step Solution
- Step 1: Write the proportion equation
867,728.20 : 1,301,786.70 = 335,201.80 : x - Step 2: Convert to fraction form
867,728.20/1,301,786.70 = 335,201.80/x - Step 3: Cross multiply
867,728.20x = 1,301,786.70 × 335,201.80 - Step 4: Simplify right side
867,728.20x = 436,361,245,056.06 - Step 5: Solve for x
x = 436,361,245,056.06/867,728.20 - Step 6: Final answer
x = 502,877.80
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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.